Cassiterite Crystals | Black | Lot in a Jar | Tin Gulch, Grant Co. | New Mexico | SO24 Zagora Meteorite 2tcw lot of beautiful rough

2tcw lot of beautiful rough emeralds

Northern Territory

Eden Mills

Size:    14x10mm

Cassiterite Crystals | Black | Lot in a Jar | Tin Gulch, Grant Co. | New Mexico | SO24 Zagora Meteorite 2tcw lot of beautiful roughMost cassiterite crystals have opaque, dark colors, usually black or brown. Lighter colored, facetable crystals are much rarer and usually occur in small fragments. With a dispersion or fire almost twice that of diamond as well as vitreous to adamantine luster, transparency, and a hardness of 6 7, faceted cassiterites would make good jewelry stones. Cassiterite is a durable gemstone with tremendous dispersive fire, especially visible in properly cut