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Cuprite and Copper on Ankerite 2058
Tsumeb
Namibia
3.0 x 3.0 x 5.0 cm
The cuprite on this piece appears almost purple in color, probably due to the association with copper. Ankerite and cuprite identified by xrd.
$40.00
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Willemite, var. Troostite with minot mimetite 1152
Tsumeb
Namibia
5.0 x 5.0 x 5.0 cm
Reddish-brown manganese-bearing variety of willemite
$65.00
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Willemite, var. Trostite 1152
Namibia
0.0 x 0.0 x 0.0 cm
$0.00
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Fluorite 1
Heson Mine
LaPaz Co.
Arizona
5.0 x 5.0 x 5.0 cm
Plate of distorted hexagonal green fluorite with sawn back.
$45.00
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Smithsonite, Cuprian 2301
Tsumeb
Namibia
5.0 x 5.0 x 5.0 cm
Great blue color in these botryoidal smithsonites
$65.00
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Chalcopyrite and Tetrahedrite 978
San Martin, Zacatecas
Mexico
12.0 x 7.0 x 5.0 cm
Excellent specimen with colorful contrast between chalcopyrite and tetrahedrite (xrd analysis). Reverse side primarily bright yellow chalcopyrite.
$500.00
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Manganite 79
Caland Pit, Atikokan
Ontario
5.0 x 4.0 x 4.0 cm
Nicely crystallne. Needles of manganite.
$55.00
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phlogopite 1100
Badakhsan
Afganistan
10.0 x 7.0 x 3.0 cm
Beautiful lustrous books of almost organge crystals.
$85.00
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Copper ps Azurite 1764
Gorgetown, Grant Co.
New Mexico
2.0 x 2.0 x 2.0 cm
A good example of this interesting psuedomorph from a well-known location. Complete replacement of the azurite rose by copper.
$150.00
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Cassiterite 290
Oruro
Bolivia
7.0 x 5.0 x 2.0 cm
Lustrous cassiterite in well-formed tetragonal crystals
$140.00
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