Reference Specimens
USA

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Photos by Fabre Minerals. Under Creative Commons license

This page provides a selection of the specimens that have passed through the Fabre Minerals website and, due to their quality,
rarity, or significance as specimens from interesting locations, have been preserved as reference specimens in #MVM


ARKANSAS


Wavellite
Wavellite.
 

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”

Wavellite
 

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”

Wavellite. Wavellite.
Wavellite
Wavellite. Wavellite.
 

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”

Wavellite
 

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”

Wavellite. Wavellite.
Wavellite
Wavellite. Wavellite.
 

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”

Wavellite
 

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”

Wavellite. Wavellite.
Wavellite
Wavellite. Wavellite.
Wavellite  

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”

Wavellite
 

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”

Wavellite. Wavellite.
Wavellite
Wavellite. Wavellite.

Fluorescent light (daylight)
 

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”

Minor fluorescence short UV

Former collection of Miguel David Martínez
Wavellite
 

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”

Wavellite. Wavellite.
Wavellite
Wavellite. Wavellite.
 

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”

Wavellite

Fluorescent light (daylight)
 

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”

Wavellite. Wavellite.
Wavellite
Wavellite. Wavellite.
 

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”

Sphalerite with Chalcopyrite, Calcite and Dolomite
 

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”

Calcite and Dolomite fluorescent long & short UV
Sphalerite with Chalcopyrite, Calcite and Dolomite. Sphalerite with Chalcopyrite, Calcite and Dolomite.

CALIFORNIA


Gold (spinel twin) on Quartz
Gold (spinel twin) on Quartz. Front
Front
Gold (spinel twin) on Quartz. Side
Side
Gold (spinel twin) on Quartz.

Fluorescent light (daylight)
Gold (spinel twin) on Quartz
 

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”

Former collection of Ignacio Gaspar
Rutile
 

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”

Former collection of Bob Noble
Rutile. Rutile.
Stibnite on Quartz
Stibnite on Quartz. Stibnite on Quartz.
Stibnite on Quartz  

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”

Stibnite

Fluorescent light (daylight)
 

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”

Stibnite. Stibnite.
Elbaite (variety rubellite)
Elbaite (variety rubellite).
 

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”

Elbaite
 

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”

Elbaite. Front
Front
Elbaite. Rear
Rear
Elbaite. Top
Top
Elbaite with Quartz and 'lepidolite'
Elbaite with Quartz and 'lepidolite'. Front
Front
Elbaite with Quartz and 'lepidolite'. Top
Top
 

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”

'lepidolite' on Quartz (variety smoky quartz)

Fluorescent light (daylight)
 

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”

'lepidolite' on Quartz (variety smoky quartz). Photo: Joaquim Callén
Photo: Joaquim Callén
'lepidolite' on Quartz (variety smoky quartz). Photo: Joaquim Callén
Photo: Joaquim Callén
Elbaite (variety rubellite and blue cap)
Elbaite (variety rubellite and blue cap). Front
Front
Elbaite (variety rubellite and blue cap). Rear
Rear

Fluorescent light (daylight)
Elbaite (variety rubellite and blue cap)
 

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”

Former collection of Julien Vambervliet

Weight: 4.5 grams
Elbaite (variety rubellite) with 'lepidolite' and Albite

Fluorescent light (daylight)
 

TXR89AQ0: Complete doubly terminated floater crystal of Elbaite (variety rubellite), with very marked parallel growth and perfect terminations. Transparent, with good luster, intense pink tones and with coatings of leafy 'lepidolite' crystals and small crystallizations of Albite.
Pala, Pala District, San Diego County, California  USA

Specimen size: 4.5 × 1.3 × 1.2 cm = 1.77” × 0.51” × 0.47”

Main crystal size: 4.5 × 1 cm = 1.77” × 0.39”

Elbaite (variety rubellite) with 'lepidolite' and Albite. Front
Front
Elbaite (variety rubellite) with 'lepidolite' and Albite. Rear
Rear
Doubly terminated Elbaite (variety rubellite)
Doubly terminated Elbaite (variety rubellite). Front
Front
Doubly terminated Elbaite (variety rubellite). Top
Top
 

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”

Elbaite with Albite (variety cleavelandite)

Fluorescent light (daylight)
Elbaite with Albite (variety cleavelandite)
 

SV2460TBG: Triad of Elbaite crystals, doubly terminated, with a gradation of pink tones, turning into a greenish “green-cap” towards the end, covered and partially cemented by a feldspar and with leafy snow-white Albite crystals (variety cleavelandite) at one end. From a mining district renowned for its gems and lithium minerals.
The specimen comes from the Moutet collection, in Marseille, and is accompanied by an old Deyrolle label, which we will send to the buyer of the piece.
Pala, Pala District, San Diego County, California  USA

Specimen size: 6.4 × 5.5 × 4.4 cm = 2.52” × 2.17” × 1.73”

Main crystal size: 5 × 1.9 cm = 1.97” × 0.75”

Former collection of Moutet (Marseille)
Elbaite with Albite (variety cleavelandite). Front
Front
Elbaite with Albite (variety cleavelandite). Side
Side
Elbaite with Albite (variety cleavelandite).
Benitoite with Neptunite on Natrolite
Benitoite with Neptunite on Natrolite. Front
Front
Benitoite with Neptunite on Natrolite. Top
Top
 

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”

Intense fluorescence short UV & fluorescent long UV
Benitoite with Neptunite on Natrolite

Fluorescent light (daylight)
 

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”

Type locality
Benitoite with Neptunite on Natrolite. Detail / Photo: Joaquim Callén
Detail / Photo: Joaquim Callén
Neptunite
Neptunite. Neptunite.
 

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”

Former collection of Bob Noble
Neptunite on Natrolite
 

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”

Former collection of Ignacio Hernández
Neptunite on Natrolite. Neptunite on Natrolite.
Doubly terminated Neptunite on Natrolite
Doubly terminated Neptunite on Natrolite. Doubly terminated Neptunite on Natrolite.
 

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”

Joaquinite-(Ce) with Neptunite and Benitoite
 

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”

Benitoite extremely fluorescent short UV
Joaquinite-(Ce) with Neptunite and Benitoite. Front
Front
Joaquinite-(Ce) with Neptunite and Benitoite.
Joaquinite-(Ce) with Neptunite and Benitoite. Joaquinite-(Ce) with Neptunite and Benitoite.
Andradite (variety topazolite) with Clinochlore
Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore  

TC85TV: Andradite crystals (variety topazolite) with the dominant crystal forms of the rhombohedron, with accessory cube and trapezohedron faces. Translucent, with a bright luster and very uniform honey-yellow color. On a rock matrix, with small spheroidal aggregates of Clinochlore of a very deep green color, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 3.7 × 3.1 × 1.4 cm = 1.46” × 1.22” × 0.55”

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

Andradite (variety topazolite) with Clinochlore
Andradite (variety topazolite) with Clinochlore  

TC85TE: Andradite crystals (variety topazolite) with the dominant crystal forms of the rhombohedron, with accessory cube and trapezohedron faces. Translucent, with a bright luster and very uniform honey-yellow color. On a rock matrix, with small spheroidal aggregates of Clinochlore of a very deep green color, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 4.6 × 3.2 × 2.2 cm = 1.81” × 1.26” × 0.87”

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

Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore
Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore  

TC80TL: Andradite crystals (variety topazolite) with the dominant crystal forms of the rhombohedron, with accessory cube and trapezohedron faces. Translucent, with a bright luster and very uniform honey-yellow color. On a rock matrix, with small spheroidal aggregates of Clinochlore of a very deep green color, almost black. An American classic.
Yellow Cat Mine, New Idria, New Idria District, Diablo Range, San Benito County, California  USA (11/1998)

Specimen size: 4.6 × 3.8 × 2.3 cm = 1.81” × 1.50” × 0.91”

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

Andradite (variety topazolite) with Clinochlore
 

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”

Andradite (variety topazolite) with Clinochlore. Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore
Andradite (variety topazolite) with Clinochlore. Andradite (variety topazolite) with Clinochlore.
 

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”

Andradite (variety topazolite) with Clinochlore
 

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”

Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite) with Clinochlore.
Andradite (variety topazolite)
Andradite (variety topazolite).
 

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”

Andradite (variety topazolite)
 

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”

Andradite (variety topazolite). Andradite (variety topazolite).
Artinite
Artinite.
 

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”

Caledonite with Quartz
 

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”

Caledonite with Quartz. Caledonite with Quartz.
Clintonite with Calcite
Clintonite with Calcite. Clintonite with Calcite.
 

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”

Axinite-(Fe) on Albite and Actinolite (variety byssolite)
 

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”

Axinite-(Fe) on Albite and Actinolite (variety byssolite). Front
Front
Axinite-(Fe) on Albite and Actinolite (variety byssolite). Top
Top
Axinite-(Fe) on Albite and Actinolite (variety byssolite).
Axinite-(Fe) with Quartz
Axinite-(Fe) with Quartz.
Axinite-(Fe) with Quartz.
Axinite-(Fe) with Quartz  

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”

Antimony

Fluorescent light (daylight)
Antimony
 

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”

Former collection of Robert-Auguste Touchon
Antimony.
Turquoise after Beryl
Turquoise after Beryl.

Fluorescent light (daylight)
Turquoise after Beryl
 

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”

Former collection of Thomas P. Moore
Inderite
 

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”

Inderite. Front
Front
Inderite. Rear
Rear
Gold
Gold. Gold.
 

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”

Former collection of Bob Noble
Gold on Quartz
 

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”

Gold on Quartz.
Gold with Quartz
Gold with Quartz. Gold with Quartz.
 

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”

Gold
 

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”

9.3 g.
Gold. Front
Front
Gold. Rear
Rear
Gold.
Gold
Gold. Front
Front
Gold. Rear
Rear
Gold.
 

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”

Weight: 9 grams
Gold with Quartz
 

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”

Former collection of A. Mayor
Gold with Quartz. Gold with Quartz.

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