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2 specimens found
1 |

Arsenbrakenbuschite with prismatic Mimetite, Tsumcorite? and Descloizite
stock #13.1-040
Mina Ojuela, Mapimi
Durango, Mexico
8.8 x 6.5 x 3.9 CM (cabinet)
price: $320
Fall 2015

Cabinet specimen well crystallized with many prismatic gemmy hexagons of Mimetite to about 8MM that are set on and mixed with yellow to orange tufts of Arsenbrackenbuschite. The prisms of Mimetite are a more rare habit at Ojuela. There is also what seems a perfect match for Tsumcorite (which has also been found in this assemblage), but this was not tested. A few Mimetites have some damage (not seen by my naked eye) but most are perfect with a yellowish to transparent grey color. This would make many thumbnails and micro specimens if split up. As is, a rich cabinet specimen for these rare minerals.
Bismuthinite inside Fluorite on Arsenopyrite
stock #Alec-15-243
Yaogangxian Mine, Yizhang County
Hunan Province, China
4.2 x 3.2 x 2.5 CM (miniature)
price: $285
Fall 2015

A attractive miniature with a prominent Fluorite cube that is densely filled with needles, hairs and curls of metallic Bismuthinite. Since the Fluorite rests on a well crystallized cluster of Arsenopyrite, the overall contrast and esthetic structure is excellent. As with many fine Yaogangxian specimens, there are many associated species, this has Sphalerite, Stannite and Quartz. Better in person, this is an older specimen from the Shields Flynn collection.
2 specimens found
1 |