Mineral Specimens - page 1
USA

EC86P2: Very aerial aggregate of big, bright crystals whose faces are very well defined for the species and contrasting with the white coatings of Calcite.
The sample is with an old label of the collection of the Museum of Mineralogy and Petrology of Berlin University.
Lake Superior, Keweenaw County, Michigan  USA

Specimen size: 6.9 × 3.8 × 3.4 cm = 2.7” × 1.5” × 1.3”

Main crystal size: 2.9 × 2 cm = 1.1” × 0.8”

T91B: Floater of well formed Copper from a classic locality:
Quincy Mine, Houghton Co., Michigan  USA

Specimen size: 4 × 2 cm = 1.6” × 0.8”

TE68D8: A large crystal of native Copper. It is a complete floater that is very esthetic given the perfect form of the main crystal.
Osceloa#6 Mine, Keweenaw, Michigan  USA

Specimen size: 6.7 × 2.5 × 1.6 cm = 2.6” × 1.0” × 0.6”

Main crystal size: 3.2 × 1.6 cm = 1.3” × 0.6”

TF86H5: Excellent crystallization clearly showing the faces of the dodecahedron, even considering the typical deformation and elongation of crystals.
The sample is from an old collection of Northwestern University and we’ll include the label.
Keweenaw, Michigan  USA

Specimen size: 6 × 3.6 × 3.4 cm = 2.4” × 1.4” × 1.3”

Main crystal size: 1.7 × 0.7 cm = 0.7” × 0.3”

TL67J3: Compact arborescent group of very well defined crystals. Some of them show perfectly the form of the octahedron, with an uncommon definition of faces and edges. The white accompanying species is Calcite, not Quartz.
Keweenaw County, Michigan  USA

Specimen size: 11.4 × 5.6 × 2.7 cm = 4.5” × 2.2” × 1.1”

TK69L5: A classic specimen from a classic locality. Dendritic growth of crystals of considerable size, elongated, with some well defined faces. Nice floater.
Houghton County, Michigan  USA

Specimen size: 10.6 × 8.2 × 2 cm = 4.2” × 3.2” × 0.8”

TA91N0: Group of Gypsum crystals comletely replaced by Chrysocolla. The crystals are on a botryoidal-concentric formation of the same Chrysocolla but the color is more intense.
The sample is from the exceptional collection of Dr. Marvin D. Rausch, which label we’ll send to the buyer.
Ray Mine, Ray district, Pinal County, Arizona  USA (1976-1977)

Specimen size: 19 × 10 × 5 cm = 7.5” × 3.9” × 2.0”

TR47H3: A very esthetic floater group. Malachite, velvety and fibrous, has different green tones and it completely pseumomorped prismatic crystals of Azurite, some of them doubly terminated. A classic of XXth century.
Bisbee, Cochise County, Arizona  USA

Specimen size: 3.7 × 3 × 2 cm = 1.5” × 1.2” × 0.8”

Main crystal size: 2.1 × 0.7 cm = 0.8” × 0.3”

TE47E0: A very esthetic Wulfenite that is very upright on the matrix, shows a well-defined crystal form, is partially gemmy, and has a good, slightly redder than normal color.
Red Cloud Mine, Silver District, Trigo Mountains, La Paz County, Arizona  USA (2001)

Specimen size: 3 × 2 × 1 cm = 1.2” × 0.8” × 0.4”

Main crystal size: 1.5 × 1.3 × 0.3 cm = 0.6” × 0.5” × 0.1”

NM76D1: A very well 'designed' Copper - arborescent but also with sharp crystal form. Esthetic!
Ray Mine, Ray district, Pinal County, Arizona  USA

Specimen size: 9 × 8 × 1.5 cm = 3.5” × 3.1” × 0.6”

TE47H3: Good arborescent group, very aerial, with sharp Copper crystals in a pocket filled with very small crystals of Calcite. Even considering Copper as a common species for the locality, good samples are actually rare.
Cole shaft, Bisbee, Cochise County, Arizona  USA

Specimen size: 6.9 × 4.4 × 4.5 cm = 2.7” × 1.7” × 1.8”

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 Lake (Dam Area), Lopperopolis, Calaveras County, California  USA

Specimen size: 9.4 × 8.5 × 5.7 cm = 3.7” × 3.3” × 2.2”

Main crystal size: 2.7 × 2.6 cm = 1.1” × 1.0”

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 = 1.9” × 0.6” × 0.6”

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.
Benitoite Gem Mine, San Benito County, California  USA

Specimen size: 7.3 × 6.3 × 3.1 cm = 2.9” × 2.5” × 1.2”

Main crystal size: 3.6 × 0.6 cm = 1.4” × 0.2”

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.
Benitoite Gem Mine, San Benito County, California  USA

Specimen size: 3 × 2.3 × 2 cm = 1.2” × 0.9” × 0.8”

Main crystal size: 1.8 × 1 cm = 0.7” × 0.4”

T76NH5: This variety of Andradite is from 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 partially covered by Clinochlore.
Yellow Cat Mine, New Idria District, San Benito County, California  USA (11/1998)

Specimen size: 5 × 3.8 × 2 cm = 2.0” × 1.5” × 0.8”

Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1”

T86AH5: 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 District, San Benito County, California  USA (11/1998)

Specimen size: 5.5 × 5 × 2 cm = 2.2” × 2.0” × 0.8”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”

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 District, San Benito County, California  USA (11/1998)

Specimen size: 9.4 × 4.4 × 2.7 cm = 3.7” × 1.7” × 1.1”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”

T27DH5: This variety of Andradite is from the plentiful (and the only one known to date) find in the Yellow Cat Mine, November, 1998. Crystallization is excellent, dodecahedrons have very well-defined faces and edges, and they are bright and have good color contrasting with a dark green matrix of Clinochlore.
Yellow Cat Mine, New Idria District, San Benito County, California  USA (11/1998)

Specimen size: 6.7 × 4.2 × 2.1 cm = 2.6” × 1.7” × 0.8”

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

T89GH5: This variety of Andradite is from the plentiful (and the only one known to date) find in the Yellow Cat Mine, November, 1998. It has a surface rich with dodecahedra with very well-defined faces and edges, bright and having an excellent color.
Yellow Cat Mine, New Idria District, San Benito County, California  USA (11/1998)

Specimen size: 6.5 × 4.2 × 3.2 cm = 2.6” × 1.7” × 1.3”

Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1”

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 District, San Benito County, California  USA (11/1998)

Specimen size: 8 × 6 × 3 cm = 3.1” × 2.4” × 1.2”

Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1”

T90WG0: A nice specimen of this Andradite variety from the important (and the only one known to date) find in the Yellow Cat Mine, November, 1998. In contrast with the matrix, there is a very good development of groups of crystals with a magnificent color, bright luster and perfectly sharp faces.
Yellow Cat Mine, New Idria District, San Benito County, California  USA (11/1998)

Specimen size: 12.5 × 8 × 3 cm = 4.9” × 3.1” × 1.2”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”

KH86M8: Parallel growth of tabular crystals from a classic American locality. The crystals, sharp and very well defined, have an excellent luster and a honey color, between orange and yellow.
The sample is from the James Catmur collection (num B250), whose label will be sent to the buyer.
Sherman Mine, Upper Iowa Gulch, Leadville, Lake County, Colorado  USA

Specimen size: 7.2 × 5.6 × 1.5 cm = 2.8” × 2.2” × 0.6”

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.
Hedgehog Pocket, Main Stope Drift, Sweet Home Mine, Alma, Colorado  USA (09/1996)

Specimen size: 9.7 × 6.2 × 4.4 cm = 3.8” × 2.4” × 1.7”

Main crystal size: 1.2 × 1.1 cm = 0.5” × 0.4”

TJ53L7: A Classic Specimen. Good sized Rutile crystal with well defined faces and a very marked and classic twin. Faces show a very good luster, with deep reddish reflections. At the base and at the top and back side we can see a small Muscovite rich matrix.
The sample is accompanied by a collection label. On the back of the label is handwritten that this sample was collected by Terry and Jean Ledford in the spring of 1998. As is our custom, we will send the label to the buyer.
Graves Mountain, Lincoln County, Georgia  USA (1998)

Specimen size: 7 × 6.8 × 5.3 cm = 2.8” × 2.7” × 2.1”

MT98G3: It is a good specimen, rich with tabular crystals, clear, bright and of a beautiful honey-yellow color. Some crystals have a central zone covered by darker recrystallization.
Barrick's Meikle Mine, Elko County, Nevada  USA (1999)

Specimen size: 13 × 9.5 × 4 cm = 5.1” × 3.7” × 1.6”

Main crystal size: 1.5 × 1.2 cm = 0.6” × 0.5”

TF48N9: Octahedral crystals of considerable size, very well defined with a deep and uniform color and good luster, which not so frequent in the samples of this locality.
The number mark on the sample indicates it was on the collection of John H. Marshall Jr., well known collector of Pyromorphite but who also collected Fluorites.
William Wise Mine, Westmoreland, Cheshire County, New Hampshire  USA (1990)

Specimen size: 8.9 × 5.7 × 4.6 cm = 3.5” × 2.2” × 1.8”

Main crystal size: 6.3 × 4.5 cm = 2.5” × 1.8”

HF61K9: Fanlike acicular-fibrous crystal groups. The color of these crystals varies between pure white blue and the creamy white. The locality and the specimen can be considered to be classics.
Franklin, Sussex County, New Jersey  USA

Specimen size: 9.5 × 7 × 5 cm = 3.7” × 2.8” × 2.0”

TJ27H7: The crystal is doubly terminated and its faces and edges have an excellent definition, much better than most usual for this classic material. The matrix of white Calcite contrasts with the darker shades of the crystal.
The sample is from Thomas Moore collection.
Franklin, Sussex County, New Jersey  USA

Specimen size: 2 × 2 × 1.4 cm = 0.8” × 0.8” × 0.6”

Main crystal size: 2 × 1.5 cm = 0.8” × 0.6”

TT52N9: Excellent sample, a classic from a classic locality. Its crystals, of very deep color, have very well defined faces and edges and are on a matrix of small crystals of Quartz.
It is from the collection of Dr. Marvin D. Rausch (Massachusetts), whose label we’ll send to the buyer with the specimen.
T and G prospect, Grant County, New Mexico  USA (±1985)

Specimen size: 13.2 × 8.9 × 4.7 cm = 5.2” × 3.5” × 1.9”

Main crystal size: 1.4 × 1.2 cm = 0.6” × 0.5”

TA36L0: One of the novelties of Tucson 2008. Transparent to translucent cubic Fluorite crystals with sharp faces and edges. Color varies between yellow and dark honey, with well defined and quite variable color intensity in geometric zonations. On a matrix of small crystals of Celestine.
White Rock Quarry, Clay Center, Ottawa County, Ohio  USA (2007)

Specimen size: 4.7 × 3.3 × 3.2 cm = 1.9” × 1.3” × 1.3”

Main crystal size: 1.6 × 1.5 cm = 0.6” × 0.6”

TA76N0: Group of cuboctahedral crystals on a base of massive Quartz and coated by a thin layer of microcrystalline Quartz. The sample comes from an American state where Fluorite is very scarce.
Deer Trail Mine, Piute County, Marysvale, Utah  USA (1982)

Specimen size: 7 × 4.9 × 2.8 cm = 2.8” × 1.9” × 1.1”

Main crystal size: 2.8 × 2.6 cm = 1.1” × 1.0”

TC56N0: Group of cuboctahedral crystals on a base of massive Quartz and coated by a thin layer of microcrystalline Quartz. The sample comes from an American state where Fluorite is very scarce.
Deer Trail Mine, Piute County, Marysvale, Utah  USA (1982)

Specimen size: 7.3 × 5.9 × 2.8 cm = 2.9” × 2.3” × 1.1”

Main crystal size: 1.7 × 1.6 cm = 0.7” × 0.6”

TB56N0: Group of cuboctahedral crystals on a base of massive Quartz. The coating of microcrystalline Quartz has been eliminated with hydrofluoric acid to enhance both the crystallography and the real color of the Fluorite. The sample comes from an American state where Fluorite is very scarce.
Deer Trail Mine, Piute County, Marysvale, Utah  USA (1982)

Specimen size: 5.8 × 5.4 × 2.9 cm = 2.3” × 2.1” × 1.1”

Main crystal size: 1.5 × 1.5 cm = 0.6” × 0.6”

TD66N0: Group of cuboctahedral crystals on a base of massive Quartz and coated by a thin layer of microcrystalline Quartz. The sample comes from an American state where Fluorite is very scarce.
Deer Trail Mine, Piute County, Marysvale, Utah  USA (1982)

Specimen size: 8 × 4.8 × 3.3 cm = 3.1” × 1.9” × 1.3”

Main crystal size: 2.2 × 2.1 cm = 0.9” × 0.8”

TF71K4: Group of two flat, transparent and doubly terminated Quartz crystals on a matrix of Feldspar crystals, probably Orthoclase. The locality is uncommon.
The matrix has, on its backside, a fissure recemented by Quartz but also repaired (or consolidated). This circumstance is noted on the label from the Bob Jones collection, that we'll send with the specimen.
Mineral Mountains, Milford, Beaver County, Utah  USA

Specimen size: 15.5 × 10 × 6 cm = 6.1” × 3.9” × 2.4”

TN46L7: Groups of divergent and very delicate cuprian Adamite crystals on a Limonite matrix. Color varies between greenish yellow to light green. One of the groups, adjacent to a small fissure, has been reinforced with glue. A classic locality from which it is not easy to see samples in the market.
Gold Hill Mine, Gold Hill, Deep Creek Mountains, Tooele County, Utah  USA

Specimen size: 4.4 × 3.7 × 3.3 cm = 1.7” × 1.5” × 1.3”

Main crystal size: 0.2 × 0.1 cm = 0.1” × 0.0”