HC9AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 2.8 × 2 × 1.9 cm = 1.10” × 0.79” × 0.75”

HH96AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 3.9 × 3.2 × 2.7 cm = 1.54” × 1.26” × 1.06”

HG12AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 4.9 × 3.4 × 2.2 cm = 1.93” × 1.34” × 0.87”

HF11AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 5.4 × 4.4 × 2.3 cm = 2.13” × 1.73” × 0.91”

EN96AI0: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Montgomery County, Arkansas  USA

Specimen size: 5.7 × 6.4 × 6.1 cm = 2.24” × 2.52” × 2.40”

Main crystal size: 2.2 × 2.1 cm = 0.87” × 0.83”

LE14F2: The good color, growth and form of this botryoidal group are notable. This is a mineral that is becoming rare from this locality. A real classic. From the David Lucas collection, number 456, and we will give the buyer his label.
Mauldin Mountain Quarries, Mauldin Mountain, Montgomery County, Arkansas  USA

Specimen size: 6 × 5 × 2.5 cm = 2.36” × 1.97” × 0.98”

NB28X3: Spherical aggregates of Wavellite on a matrix of micro-crystalline Quartz. The aggregates, more isolated and distinguishable than usual for the samples from Mauldin Mt., have a clear apple green color and a very intense luster. The sample is from John. S. White (num. 21-3-7), whose label we’ll send to the buyer.
Mauldin Mountain Quarries, Mauldin Mountain, Montgomery County, Arkansas  USA

Specimen size: 7 × 3.2 × 2.9 cm = 2.76” × 1.26” × 1.14”

Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”

HK12AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 7.1 × 6.8 × 5.7 cm = 2.80” × 2.68” × 2.24”

NRV16AN9: Spheroidal growths, on matrix, of translucent Wavellite crystals with good luster and an intense green color. A classic of U.S. mineralogy.
De Linde Pit, Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 8.4 × 4.8 × 2.2 cm = 3.31” × 1.89” × 0.87”

Main crystal size: 1 × 0.8 cm = 0.39” × 0.31”

TG47AN2: Spheroidal growths, on matrix, of lustrous, translucent, Wavellite crystals with an intense green color. A classic of USA mineralogy.
Avant, Garland County, Arkansas  USA

Specimen size: 8.5 × 3.5 × 3.8 cm = 3.35” × 1.38” × 1.50”

Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”

HL14AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 8.5 × 6.3 × 5.2 cm = 3.35” × 2.48” × 2.05”

HM87AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 8.9 × 8.2 × 5.1 cm = 3.50” × 3.23” × 2.01”

HL48AM2: Multiple layers of Wavellite crystals finished in spheres, also of Wavellite. The luster, color, and overall quality are higher than usual for this deposit. The specimen comes from an old find, at least three decades old.
Dug Hill, Avant, Garland County, Arkansas  USA

Specimen size: 9.4 × 8.6 × 6.8 cm = 3.70” × 3.39” × 2.68”

TB56Z1: Sphalerite crystals in a tetrahedral shape, with parallel polycrystalline growths and small iridescent Chalcopyrite crystals. They are on a matrix of pinkish Dolomite crystals with the saddle-shape habit, and doubly terminated white Calcite crystals. A very good American “oldie.”
Hoxie, Lawrence County Zinc District, Lawrence County, Arkansas  USA

Specimen size: 6.8 × 4 × 3 cm = 2.68” × 1.57” × 1.18”

Main crystal size: 3.2 × 3 cm = 1.26” × 1.18”

NFR86AO3: Very stylized parallel growth of hoppered octahedral Gold crystals, with a very deep spinel-law twin. On matrix, with small lustrous water-clear Quartz crystals.
As a curiosity, it is worth noting the great similarity of this classic specimen with the recent Moroccan golds of Aouint Ighoman.
This specimen comes from the collection of Ignacio Gaspar Sintes (number ORO-52), whose label we will send to the buyer.
Mariposa County, California  USA

Specimen size: 8.5 × 5.3 × 4.3 cm = 3.35” × 2.09” × 1.69”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”

TF16AN2: Very sharp floater Rutile crystal with another smaller crystal in parallel growth. The specimen is translucent, with great luster and vivid red reflections.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Melanson collection.
Champion Mine, White Mountain Peak, White Mountains, Mono County, California  USA

Specimen size: 1.8 × 1.4 × 1.1 cm = 0.71” × 0.55” × 0.43”

TR46AH4: Irregular aggregates of fine acicular Stibnite crystals, a lot of them doubly terminated. They are very bright, on a rock matrix coated by Quartz microcrystals. The sample is from a very poorly known locality.
McLaughlin Mine, Knoxville, Knoxville District, Napa County, California  USA

Specimen size: 3 × 2.8 × 3.3 cm = 1.18” × 1.10” × 1.30”

Main crystal size: 1.1 × 0.1 cm = 0.43” × 0.04”

TTX17AO2: Centered groups of very lustrous acicular Stibnite crystals on matrix. We note that specimens from this locality on matrix are not very common.
McLaughlin Mine, Knoxville, Knoxville District, Napa County, California  USA

Specimen size: 6.6 × 4.9 × 2.1 cm = 2.60” × 1.93” × 0.83”

Main crystal size: 2.4 × 0.2 cm = 0.94” × 0.08”

TE99: Colorful and sharp classic Elbaite (Rubellite) from the classic Himalaya Mine. The crystal is thick, transparent and crystallized at the base. The association with a doubly terminated quartz gives it a nice contrast. A perfect and potent specimen!
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 3.8 × 3.7 × 3 cm = 1.50” × 1.46” × 1.18”

TB58T1: Group of three doubly terminated crystals, with a good definition of terminal faces and growths of a fibrous aspect on the prism. The prisms have a very good geometrical color zoning, which is perpendicular to the main orientation of the crystal.
The sample is from the John H. Marshall collection, as the catalog number of register on the piece shows, though we don’t have the original label from John.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2020, page 61
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 4.7 × 2.2 × 2.3 cm = 1.85” × 0.87” × 0.91”

TE87G0: A prismatic crystal with a high degree of transparency and an excellent color. The two tips show intense pink color zones. On the complete tip there is a little group of crystals of 'lepidolite' and Quartz.
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 6.8 × 2.2 × 1.5 cm = 2.68” × 0.87” × 0.59”

MXF27AP6: Very aerial group of 'lepidolite' crystals (probably, due to the locality, the Polylithionite species), translucent, with a very intense lilac color. On a matrix of Quartz crystals (smoky variety), with white phantom growths on the terminations.
Very original and aesthetic.
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California  USA

Specimen size: 3.7 × 3.5 × 3.1 cm = 1.46” × 1.38” × 1.22”

TFX47AP9: Elbaite crystal, between transparent and translucent, with a clearly dominant pink-red color in the prism (rubellite variety) and smooth and shiny pinacoidal termination with a blue growth zone known as "blue cap".
Pala District, San Diego County, California  USA

Specimen size: 1.8 × 1.3 × 1 cm = 0.71” × 0.51” × 0.39”

TE86L1: Doubly terminated Elbaite crystal, with different terminations. One of them with a single pinacoidal face and the other a little bit more complex with the pinacoid and six uneven faces from a pair of trigonal pyramids. Translucent and excellent and intense pink color with greenish tones at both terminations.
Pala District, San Diego County, California  USA

Specimen size: 4.7 × 1.6 × 1.4 cm = 1.85” × 0.63” × 0.55”

EK29H1: Both crystals, the main one, very big, and the little one on the lower part of the specimen, have very good color and luster, in sharp contrast with the white Natrolite matrix.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 3 × 2.3 × 2 cm = 1.18” × 0.91” × 0.79”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”

TMA96AO5: Benitoite crystals, one of them clearly dominant and of very large size for the species, with sharp crystal forms, translucent, with good luster and an intense blue color, with some paler areas. On matrix, with white Natrolite and lustrous Neptunite crystals with good terminations. A piece of high quality due to the size of the Benitoite crystal, and from the type locality for the species.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 5.2 × 5 × 3.8 cm = 2.05” × 1.97” × 1.50”

Main crystal size: 3.7 × 3 cm = 1.46” × 1.18”

TM47AL4: Neptunite crystals with sharp terminations and on a rock matrix covered by white Natrolite. Prismatic crystals, shiny and free of damage, stand out for their aerial position on the matrix. A classic.
We will deliver the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 3 × 2.8 × 1.6 cm = 1.18” × 1.10” × 0.63”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”

NB26AI3: Group of isolated and very bright Neptunite crystals with very well defined faces and edges. One of them, clearly dominant, is doubly terminated and is on a perfectly vertical position on its Natrolite matrix. An American classic of great quality.
The sample is from the Ignacio Hernández collection (num. 56) whose original label we’ll send to the buyer.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 6.1 × 2.8 × 2.9 cm = 2.40” × 1.10” × 1.14”

Main crystal size: 3.2 × 0.9 cm = 1.26” × 0.35”

EB91I2: Just a classic. The crystals, prismatic, have excellent luster and they are free of damage. They are doubly terminated and very well positioned on the Natrolite matrix.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 7.3 × 6.3 × 3.1 cm = 2.87” × 2.48” × 1.22”

Main crystal size: 3.6 × 0.6 cm = 1.42” × 0.24”

ME37AJ4: Neptunite crystals on matrix with very well defined faces and edges and very bright. They are with a Benitoite single crystal and Joaquinite-(Ce) crystals of a good size for the species, with a dipyramidal shape, very well defined faces and edges, translucent and with an intense orange color.
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California  USA

Specimen size: 5.5 × 5.2 × 4.4 cm = 2.17” × 2.05” × 1.73”

Main crystal size: 2 × 0.6 cm = 0.79” × 0.24”

T99DAK3: Very sharp rhombohedral crystals of Andradite (variety topazolite), transparent, lustrous, and very uniform honey-yellow. On matrix rock, with abundant spheroidal aggregates of Clinochlore, very deep green, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 6.5 × 3.8 × 1.4 cm = 2.56” × 1.50” × 0.55”

Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”

T98HAK3: Groups of very sharp rhombohedral crystals of Andradite (variety topazolite), very transparent and brilliant and of a very uniform honey-yellow color. On a rock matrix, with abundant spheroidal aggregates of Clinochlore, very deep green, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 6.8 × 4.7 × 2 cm = 2.68” × 1.85” × 0.79”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”

T88NG0: An excellent specimen of this Andradite variety from the plentiful (and the only one known to the date) find in the Yellow Cat Mine, November, 1998. The surface is fully covered by dodecahedral crystals with an excellent color and luster.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 8 × 6 × 3 cm = 3.15” × 2.36” × 1.18”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

T97CH5: This variety of Andradite is from the plentiful (and the only one known to date) find in the Yellow Cat Mine, November, 1998. Crystals are dodecahedra of very well-defined faces and edges; they are bright and have good color contrasting on a slightly bluish matrix.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 9.4 × 4.4 × 2.7 cm = 3.70” × 1.73” × 1.06”

Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”

T76CAK3: Groups of Andradite crystals (topazolite variety) dominated by the rhombohedron, along with cube and trapezohedron faces, transparent, very lustrous and a uniform honey-yellow. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 9.4 × 4.7 × 2.7 cm = 3.70” × 1.85” × 1.06”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

MF14AH6: Very aerial radial spray of acicular and extraordinarily thin Artinite crystals on matrix.
Artinite Pit, Clear Creek, Picacho Peak, New Idria District, Diablo Range, San Benito County, California  USA

Specimen size: 3.2 × 1.6 × 1 cm = 1.26” × 0.63” × 0.39”

TC20X9: Single thin crystals and flattened parallel and skeletal Caledonite growths. They are translucent and very bright, have a very intense and vivid blue color and are on a rocky matrix with Quartz. A great American classic, more esthetic than usual.
Reward Mine, Reward, Russ District, Inyo County, California  USA

Specimen size: 7.9 × 4.5 × 3 cm = 3.11” × 1.77” × 1.18”

Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”

TN18X5: The sample is very representative, both for its size and the morphology of its crystals, among best-known crystallization of this rare phyllosilicate. The crystals, with a very uniform dark green color, are laminar and are embedded on a matrix of blue Calcite and granular greenish-yellow Vesuvianite. The sample was obtained in the famous 2001 find that was described in an article in Mineralogical Record.
Commercial Quarry, Sky Blue Hill, Crestmore, Riverside County, California  USA (06-07/2001)

Specimen size: 5.9 × 5.3 × 3.8 cm = 2.32” × 2.09” × 1.50”

Main crystal size: 2.3 × 2.2 cm = 0.91” × 0.87”

EZ48AK5: Groups of translucent, very lustrous, outstanding axinite-(Fe) crystals of intense brown color with mauve tones, on a matrix with colorless, transparent and very lustrous twinned Albite crystals. Associated with fibrous aggregates of slightly greenish Actinolite (byssolite variety). A fine specimen from a classic American locality for Axinite-(Fe)
New Melones Dam, Jamestown, Calaveras County, California  USA

Specimen size: 7.8 × 4.8 × 4 cm = 3.07” × 1.89” × 1.57”

Main crystal size: 0.6 × 0.6 cm = 0.24” × 0.24”

TM96N9: Extraordinary example of Axinite-Fe, especially knowing its origin, a classic North American locality. The crystals are complete, transparent, bright, and of an excellent color, they are on a matrix of Quartz crystals with small crystals of Albite.
It is from the collection of Dr. Marvin D. Rausch (Massachusetts), whose label we’ll send to the buyer with the specimen.
New Melones Dam, Jamestown, Calaveras County, California  USA

Specimen size: 9.4 × 8.5 × 5.7 cm = 3.70” × 3.35” × 2.24”

Main crystal size: 2.7 × 2.6 cm = 1.06” × 1.02”

TCB26AP7: Fine lamellar growths and rounded and poorly defined crystal forms of Antimony, very lustrous, on matrix.
From a well known Californian zone but one that is little represented in collections, this specimen comes from the old collection of Robert-Auguste Touchon.
Kern County, California  USA

Specimen size: 3.5 × 2.1 × 2.1 cm = 1.38” × 0.83” × 0.83”

EXJ16AQ1: Parallel growth of two Turquoise after Beryl crystals, on matrix.
A mineralogical rarity from the Thomas P. Moore collection, whose label we will send to the buyer.
Apache Mine, Turquoise Mountain, Halloran Springs District, San Bernardino County, California  USA

Specimen size: 2.7 × 2 × 1.9 cm = 1.06” × 0.79” × 0.75”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”

MK13V1: Parallel colorless transparent crystals, two of them clearly dominant. They have very well defined faces and edges and perfect smooth terminations. A borate that is quite infrequent in good crystals.
The sample is from the Thomas P. Moore collection (without label)
Kramer Hills deposit, Boron area, Kramer Hills, San Bernardino County, California  USA (2010)

Specimen size: 3.3 × 1.2 × 1 cm = 1.30” × 0.47” × 0.39”

TQ29AH6: Very aerial growth of very sharp octahedral crystals with deep hollows on octahedron faces and extraordinarily bright.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
De Maria Mine, Sage Hill, Michigan Bluff District, Placer County, California  USA

Specimen size: 1.4 × 0.8 × 0.7 cm = 0.55” × 0.31” × 0.28”

Main crystal size: 1 × 0.6 cm = 0.39” × 0.24”

TM16H1: In this miniature two groups of flattened Gold crystals, typical of the locality, stand aerially on the Quartz matrix.
Eagle's Nest Mine, Sage Hill, Michigan Bluff District, Placer County, California  USA (2001)

Specimen size: 1.8 × 1.8 × 1.2 cm = 0.71” × 0.71” × 0.47”

TE10G5: The most prominent crystallization on the Quartz matrix is really a single, elongated, crystal of an exceptional length. In this group there are also the typical flat crystals from Eagle’s Nest, and some others that are quite well defined octahedra.
Eagle's Nest Mine, Sage Hill, Michigan Bluff District, Placer County, California  USA (2003)

Specimen size: 4 × 3.2 × 1.3 cm = 1.57” × 1.26” × 0.51”

Main crystal size: 2.4 × 0.4 cm = 0.94” × 0.16”

TQ46Z3: Arborescent growths with laminar terminations and quite well defined equant cubic crystals on the left of the image and elongated crystals at the bottom-center. An American classic, whose locality has been recognized by experts on Gold and its history.
Mother Lode Belt, Calaveras County, California  USA

Specimen size: 3.6 × 3.3 × 1.2 cm = 1.42” × 1.30” × 0.47”

MT86AG7: Very aerial crystalline dendritic growth with polycrystalline surfaces and small but well developed crystals, with predominant cube faces in some areas. It is from a well known mine that has produced very few samples of such quality.
16 to 1 Mine, Alleghany, Alleghany District, Sierra County, California  USA

Specimen size: 4.4 × 2.8 × 1.5 cm = 1.73” × 1.10” × 0.59”

VL29Y5: Dendritic growths of hooked, laminar and mossy Gold, without well defined crystals but showing a very esthetic morphology on the white Quartz matrix. It is from an old classic locality of which there practically are no longer samples.
16 to 1 Mine, Alleghany, Alleghany District, Sierra County, California  USA (±1979)

Specimen size: 7.8 × 6 × 4.3 cm = 3.07” × 2.36” × 1.69”

MB26AM8: Group of rhombohedral Rhodochrosite crystals, flattened, with very sharp polycrystalline growths and an intense and uniform pink color on Sphalerite matrix.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label stating that it was previously in the Sullivan collection.
Sunnyside Mine group (American Tunnel Mine), Bonita Peak, Gladstone, Eureka District, San Juan County, Colorado  USA

Specimen size: 2.4 × 1.8 × 2 cm = 0.94” × 0.71” × 0.79”

Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”

TBB64AN3: Rhombohedral Rhodochrosite crystals, very sharp, with bright luster and an intense color. On matrix, with small white Quartz crystals.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Sunnyside Mine group (American Tunnel Mine), Bonita Peak, Gladstone, Eureka District, San Juan County, Colorado  USA

Specimen size: 2.6 × 2 × 1.9 cm = 1.02” × 0.79” × 0.75”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

EPQ46AO0: Groups of profiled rhombohedral Rhodochrosite crystals, with an intense color, on matrix. Associated with small Quartz crystals and Chalcopyrite and Pyrite coatings. The specimen, an old American classic, comes from the Bob and Jeanette Barnes collection.
Champion Mine, Cinnamon Pass, Lake City, Hinsdale County, Colorado  USA

Specimen size: 6.6 × 4.4 × 3.5 cm = 2.60” × 1.73” × 1.38”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”

TV96AL7: Group of crystals, one of them clearly dominant, very rich in faces and perfect sharp terminations. Shiny and extremely transparent. We will send the specimen, from a classic American locality for the species, in its original Perky box from the Robert J. Noble collection, which also contains the label, where it is stated that it had previously been in the Frank Melanson collection.
Book Cliffs area, Grand Junction, Mesa County, Colorado  USA

Specimen size: 2.6 × 2.5 × 1.4 cm = 1.02” × 0.98” × 0.55”

Main crystal size: 2.1 × 1.8 cm = 0.83” × 0.71”

TB16V4: Group of flattened prismatic crystals of Anhydrite, one of them dominant, completely pseudomorphed by Quartz. The Quartz forms a continuous surface of small, very bright, crystals.
The sample, very typical for the locality, is with a label of the collector, Robert Stoufer, that we will send to the buyer.
OS pocket, Ouray, Ouray District, Ouray County, Colorado  USA (1992)

Specimen size: 9.4 × 4.4 × 2.5 cm = 3.70” × 1.73” × 0.98”

TTM26AO0: Complete floater crystal of Pyrite. Very shiny, elongated and with the dominant forms of the pyritohedron but rich in unusual faces.
We will ship the specimen, from a little-known American locality, in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Black Cloud Mine, Iowa Gulch, Leadville District, Lake County, Colorado  USA

Specimen size: 2.1 × 1.4 × 1.2 cm = 0.83” × 0.55” × 0.47”

TF88AJ8: Botryoidal Smithsonite growths on matrix and very rich with dark inclusions. A rarity of US mineralogy that is guaranteed by three labels, not one of which gives the name of the collector. We will send the three labels to the buyer.
Leadville, Leadville District, Lake County, Colorado  USA

Specimen size: 5.8 × 5.4 × 3.2 cm = 2.28” × 2.13” × 1.26”

Main crystal size: 2 × 0.5 cm = 0.79” × 0.20”

TM56AI8: Very bright flattened Calaverite crystals with very well defined parallel growths and with very fine growth striations. On matrix with Calcite. The Calaverite has been analyzed and we will send a copy of the analysis to the buyer.
This specimen has been photographed and published in the Bulletin ‘MiniBul A.G.A.B.’ on page 3 of number 9/2021
Cripple Creek District, Teller County, Colorado  USA

Specimen size: 2.4 × 2.4 × 0.7 cm = 0.94” × 0.94” × 0.28”

Main crystal size: 0.5 × 0.2 cm = 0.20” × 0.08”

TD27AL8: Parallel aggregates of skeletal Sylvanite crystals, very brilliant and on a Quartz matrix. From a classic North American locality.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Cresson Mine, Eclipse Gulch, Cripple Creek District, Teller County, Colorado  USA

Specimen size: 3 × 2.8 × 2.4 cm = 1.18” × 1.10” × 0.94”

Main crystal size: 0.6 × 0.15 cm = 0.24” × 0.06”

TA76W1: Surface very rich in very bright crystalline growths, typical for the species, locally skeletal and coating a rocky matrix. It is from a classic American locality and it comes from the Earl L. Calvert collection (num. 310) whose label we'll send to the buyer.
Cripple Creek District, Teller County, Colorado  USA

Specimen size: 5.6 × 2.4 × 4.1 cm = 2.20” × 0.94” × 1.61”

ET47G5: Crystal of good size, a floater, having well defined prism and terminal faces. This is a rare locality, there are usually very few in collections.
Crystal Lode pegmatite, Fulford District, Eagle County, Colorado  USA

Specimen size: 5.2 × 4.3 × 3.9 cm = 2.05” × 1.69” × 1.54”

ER70AL2: Rosette growths of outstanding lenticular crystals, deep pink in color. On Sphalerite matrix, with cubic Pyrite crystals. A classic of American mineralogy.
Eagle Mine, Gilman, Gilman District, Eagle County, Colorado  USA

Specimen size: 7.1 × 4.2 × 3.4 cm = 2.80” × 1.65” × 1.34”

Main crystal size: 1.3 × 0.9 cm = 0.51” × 0.35”

TM99Z6: Very well defined Sphalerite crystals that are twinned, completely transparent, very bright, have a very uniform deep honey color and are with scalenohedral Chalcopyrite crystals and small Galena cubes. A great American classic of high quality.
Commodore Mine, Creede District, Mineral County, Colorado  USA

Specimen size: 6.5 × 4.2 × 2.6 cm = 2.56” × 1.65” × 1.02”

Main crystal size: 1.3 × 1.3 cm = 0.51” × 0.51”

TB37Y6: Chalcopyrite crystals, with very well defined faces and edges, implanted on a druse of translucent Sphalerite crystals with a dark honey color, twinned and showing the dominant faces of a tetrahedron. An American classic.
Commodore Mine, Creede District, Mineral County, Colorado  USA

Specimen size: 9.9 × 7.9 × 3.7 cm = 3.90” × 3.11” × 1.46”

Main crystal size: 1.4 × 1.4 cm = 0.55” × 0.55”

EM27AM2: Parallel growth of two Microcline crystals (amazonite variety) with very well defined faces and edges and selective green and white coloration, known to mineral collectors as “white cap” microcline. From the most classic locality for amazonite.
The specimen is from the Moutet collection in Marseille. We will send the buyer, together with the specimen, a label from the prestigious Deyrolle house in Paris where Moutet bought the specimen many years ago.
Crystal Peak area, Teller County, Colorado  USA

Specimen size: 6.2 × 5.2 × 5.4 cm = 2.44” × 2.05” × 2.13”

Main crystal size: 5 × 4 cm = 1.97” × 1.57”

MC12AM8: Centered aggregates of flattened Goethite crystals, with a botryoidal growth at the back, lustrous and with color tones ranging from black to bronze reflections. An American classic that we will send to the buyer in its original Perky box from the Robert J. Noble collection, which also contains the label.
Crystal Creek, Crystal Peak area, Teller County, Colorado  USA

Specimen size: 2.9 × 2.7 × 2.4 cm = 1.14” × 1.06” × 0.94”

EJR14AQ1: Group of Microcline crystals (variety amazonite) with very sharp crystal forms and an intense and uniform green color.
The specimen comes from the Thomas P. Moore collection, whose label we will send to the buyer.
Pikes Peak, Teller County, Colorado  USA

Specimen size: 2.4 × 1.8 × 1.9 cm = 0.94” × 0.71” × 0.75”

Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”

TQ27AH6: Group of Microcline (amazonite variety) crystals on matrix with a small Albite rosette and a small acicular Schorl crystal. The sample, a very old one, is not repaired.
Pikes Peak, Teller County, Colorado  USA

Specimen size: 5.7 × 4.6 × 2.8 cm = 2.24” × 1.81” × 1.10”

Main crystal size: 3.1 × 1.3 cm = 1.22” × 0.51”

T96FKX7: Microcline crystal (amazonite variety) showing well defined faces and edges, with intense bluish-green color and on smoky Quartz crystals, very rich in inclusions. An American classic.
Pikes Peak, El Paso County, Colorado  USA (1993)

Specimen size: 8.3 × 7.5 × 4.5 cm = 3.27” × 2.95” × 1.77”

Main crystal size: 2.7 × 2.3 cm = 1.06” × 0.91”

NA92AI3: Very sharp rhombohedral Rhodochrosite crystals that are translucent, bright, very aerial and have an intense color. They are implanted on a group of Quartz crystals on matrix, with small Tetrahedrite and Pyrite crystals.
The sample is from the Ignacio Hernández collection (num. 99) whose original label we’ll send to the buyer.
Sweet Home Mine, Hedgehog pocket, Main Stope drift, Mount Bross, Alma District, Park County, Colorado  USA

Specimen size: 5.4 × 3.2 × 2.5 cm = 2.13” × 1.26” × 0.98”

Main crystal size: 1.2 × 0.7 cm = 0.47” × 0.28”

EC90H7: Group of rhombohedral crystals whose faces have excellent color, luster and transparency, contrasting with the bevels on the edges which are more frosted. The group contrasts with the associated species, the well defined tetrahedral crystals of Tetrahedrite, the Chalcopyrite and small crystals of Quartz. The locality is now one of the great classics for Rhodochrosite.
Sweet Home Mine, Corner pocket, Watercourse raise, Mount Bross, Alma District, Park County, Colorado  USA (09/94)

Specimen size: 5.7 × 3.8 × 3.3 cm = 2.24” × 1.50” × 1.30”

Main crystal size: 1 × 0.8 cm = 0.39” × 0.31”

TB67AA2: Sharp rhombohedral crystals of Rhodochrosite. They are translucent, very bright and have a great intensity and depth of color. Furthermore, they are implanted on a matrix with small Quartz and Pyrite crystals and twinned Tetrahedrite, an uncommon association. The Rhodochrosite from Sweet Home Mine has become, in just a few years, one of the great classics due to its quality and the permanent closing of the mine.
Sweet Home Mine, Mount Bross, Alma District, Park County, Colorado  USA

Specimen size: 9.5 × 7.7 × 3.2 cm = 3.74” × 3.03” × 1.26”

Main crystal size: 1.7 × 1.4 cm = 0.67” × 0.55”

ER96H1: An excellent group, very rich in rhombohedral, very sharp crystals. Color, luster and transparency are magnificent. Matrix is Quartz, Pyrite and Tetrahedrite. The quality of the specimen is exceptional because of its excellent condition. A specimen of high desirability.
Sweet Home Mine, Hedgehog pocket, Main Stope drift, Mount Bross, Alma District, Park County, Colorado  USA (09/1996)

Specimen size: 9.7 × 6.2 × 4.4 cm = 3.82” × 2.44” × 1.73”

Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”

MC51AM3: Aggregates of sharp lamellar Covellite crystals, with edges in an excellent state of preservation, with an intense and vivid metallic blue color, on matrix and with Quartz. High quality for the locality.
The specimen comes from the Ignacio Gaspar collection (number COV-2), whose label we will send to the buyer.
Summitville Mine, Summitville District, Rio Grande County, Colorado  USA

Specimen size: 5.2 × 4 × 3.5 cm = 2.05” × 1.57” × 1.38”

TD89T3: Laminar growth with polycrystalline surfaces corresponding to very well defined triangular faces. The sample is an example of the old- fashioned presentation typical of samples early in the 20th century, a black box with glass top and with a Schortmann’s Minerals, Easthampton, Massachusetts, label.
Breckenridge District, Summit County, Colorado  USA

Specimen size: 1.8 × 1.6 × 0.2 cm = 0.71” × 0.63” × 0.08”

CE17D7: A perfect example with its well formed main crystal, nicely positioned on the matrix, and transparent. So overall it shows off the best features of the finds that were made in Stoneham.
Stoneham, Weld County, Colorado  USA

Specimen size: 3.7 × 3.3 × 2.9 cm = 1.46” × 1.30” × 1.14”

Main crystal size: 3.6 × 1.7 cm = 1.42” × 0.67”