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locality for more information. |
9735:
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Epidote - $16
Djouga, Bafoulabé Circle, Kayes Region, Mali
5.1 x 4.3 x 3.4 cm (2.0 x 1.7 x 1.3 inches)
Specimen status: Available Click
here to order
A cluster of deep green, opaque epidote
crystals from the locality better known for its prolific production of
globular prehnite. This cluster has a flat luster but the largest
crystals are doubly terminated. The bottom termination of the largest
crystal is incomplete due to contacting a chipping, But otherwise no
major damage. The specimen has several display angles that do not
require a stand.
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9833:
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Copper
Morenci, Clifton-Morenci District, Greenlee County,
Arizona
7.4 x 5.3 x 1.5 cm (2.9 x 2.1 x 0.6 inches)
Specimen status: Sold
A nearly flat but very bright, crudely
crystallized copper specimen with scraps of intergrown matrix. The
specimen was clearly cleaned at some point (it is very bright) but has
not tarnished in the more than three years I have owned it. This leads
me to believe it has been preserved in some way but I find no evidence
of a coating of any sort. Arborescently aesthetic and free of damage.
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9938:
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Wulfenite and Calcite - $16
Erupción Mine, Mun. de Ahumada, Chihuahua,
Mexico
5.6 x 5.6 x 4.5 cm (2.2 x 2.2 x 1.8 inches)
Specimen status: Available Click
here to order
Thin, orange-yellow, tabular wulfenite
crystals on a carpet of sparkly, crystalline calcite. Individual
wulfenites reach 4 mm across, and two of the three clusters are
complete. Normally we might want a richer coverage of wulfenite, but on
this specimen the paucity of wulfenites is pleasing. Something a bit
different from a mine that is otherwise world-famous for its
orange to brown, thick, tabular wulfenites. Sits for display as shown
without the need for a stand.
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10276:
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Spodumene (variety Kunzite)
Pala Chief Mine, Pala District, San Diego County,
California
Specimen status: Sold
A group of five light pink to lavender
kunzite shards, etched and broken. The largest piece is 4.0 cm long.
Representative of the locality, which is up the hill from the Oceanview
Mine and the Elizabeth R Mines, and the source of some of the finest
kunzite ever to come from southern California. These pieces pre-date 2008; the mine
changed hands in 2011, and the mine is once again quite active.
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12287:
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Dioptase
Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
6.0 x 4.6 x 2.5 cm (2.4 x 1.8 x 1.0 inches)
Specimen status: Sold
A rich carpet of small but sparkly
dioptase crystals on a quartzite matrix. Individual crystals reach
about 1 mm. Very typical for the locality. Sits nicely for display as
shown without need for a stand. Bright and free of damage.
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12347:
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Fluorite, Calcite, and Dolomite - $14
Yaogangxian Mine, Yizhang County, Chenzhou Prefecture,
Hunan Province, China
4.9 x 4.7 x 3.0 cm (1.9 x 1.9 x 1.2 inches)
Specimen status: Available Click
here to order
A 1.5 cm, colorless and translucent
fluorite cube sits amongst stacks of opaque, white, flattened 'poker
chip' calcite crystals and light brown dolomite crystals. The faces of
the fluorite are lightly frosted. Sits well for display as shown
without need for a stand. A few incomplete calcites around the edges,
otherwise no damage. The November-December 2011 issue of Mineralogical Record contains
an excellent, extensive article on the Yaogangxian Mine.
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12457:
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Ferberite, Quartz, and Muscovite
Yaogangxian Mine, Yizhang County, Chenzhou Prefecture,
Hunan Province, China
3.4 x 3.0 x 2.0 cm (1.3 x 1.2 x 0.8 inches)
Specimen status: Sold
Sharp and lustrous ferberite blades rise
from the back edge of a crystalline quartz matrix. The ferberite
terminations are pristine, and individual crystals reach 3.2 cm in
length. The quartz crystals are colorless, and range from opaque to
water-clear. Small muscovite crystals are scattered about, on the
ferberite, on the quartz, and even in the quartz. A small but fine,
aesthetic, and undamaged ferberite specimen from the world's premier
ferberite locality. The
November-December 2011 issue of Mineralogical Record contains
an excellent, extensive article on the Yaogangxian Mine.
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12529:
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Gypsum and Proustite - $30
Platosa Mine, Bermejillo, Durango, Mexico
3.5 x 2.7 x 1.3 cm (1.4 x 1.1 x 0.6 inches)
Specimen status: Available Click
here to order
A small slab of gypsum (a crystal
cleavage fragment) with adhering dark matrix. Present in the matrix is
a mass of deep ruby-red proustite, with a few distinct crystal faces
contacting the gypsum. The specimen is probably from the 1997 discovery
of this material, and is notable for the unusual gypsum/proustite
association.
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12533:
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Scheelite
Mt Xuebaoding, Pingwu County, Mianyang Prefecture,
Sichuan Province, China
3.9 x 3.4 x 3.2 cm (1.5 x 1.3 x 1.3 inches)
Specimen status: Sold
An opaque, lustrous, butterscotch-brown
scheelite crystal, resembling a cluster of mountain peaks. Displays
strong blue-white fluorescence under shortwave UV (second picture).
Minor muscovite also present. Some scattered edgewear is noted, but no
major damage. Very typical for this productive locality.
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12547:
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Tourmaline and Quartz - $15
Cryo-Genie Mine, Warner Springs District, San Diego
County, California
3.6 x 2.9 x 2.4 cm (1.4 x 1.1 x 0.9 inches)
Specimen status: Reserved Click
here to order
A nearly-complete, somewhat smoky quartz
crystal hosts a few tourmaline crystals. The most interesting of these
tourmalines is 1.3 cm in length, sharply terminated, and bicolor (pink
at the base and green at the termination). For those of you who cannot
afford one of the 25 cm pink tourmalines that made this locality famous
a few years ago, here is a more affordable example.
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13488:
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Brazilianite - $200
G. E. Smith Quarry, Newport, Sullivan County, New
Hampshire
4.8 x 3.8 x 2.6 cm (1.9 x 1.5 x 1.0 inches)
Specimen status: Available Click
here to order
A light greenish-yellow opaque
brazilianite on a feldspar matrix pedestal. The brazilianite is
complete, with blocky crystallization and modest luster. Not very
exciting if this was a Brazilian brazilianite but quite nice for an **American**
brazilianite. Displays nicely as shown without need for a stand. No
damage to this rare beast.
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