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2 specimens found
1 |

Cassiterite & Stibnite (Bismuthinite?) on Quartz (rare association)
stock #ALEC-15-279
Amo Mine, Ximeng
Yunnan, China
5.2 x 3.8 x 2.1 CM (cabinet)
price: $300
Winter 2016-17

A bizzare association, well formed slightly translucent Cassiterites sitting on Quartz with a crude 5 CM Stibnite crystal along one edge. The question was recently asked if this is Stibnite or Bismuthinite, and we have not yet made an analysis. The Cassiterites have good luster and form, very three dimensional. Ex Shields Flynn collection, via Bert Ottens, I have never seen another of these. There is a matrix repair that is not visible.
Uvite- Tourmaline group Green Crystals
stock #8.AE-955
Brumado
Bahia, Brazil
3.2 x 2.7 x 2.4 CM (miniature)
price: $180
Winter 2016-17

From the now classic finds at Brumado, a very well composed cluster of glassy deep green crystals. In fine condition with a few tiny flecks of adhering quartz otherwise this is all Uvite. Prior to these finds almost all known Uvite was black. There seems to be little to no new production now.
2 specimens found
1 |