Cassiterite Crystals | Black | Lot in a Jar | Tin Gulch, Grant Co. | New Mexico | SO24 Zagora Meteorite This is a fine Zeolite

This is a fine Zeolite specimen from the ZEC near Maniwaki

Eden Mills

Size:    14x10mm

2tcw lot of beautiful rough emeralds

Mahoning County

Cassiterite Crystals | Black | Lot in a Jar | Tin Gulch, Grant Co. | New Mexico | SO24 Zagora Meteorite This is a fine ZeoliteMost 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