Cassiterite In Quartz Tumbled Stones Size:Medium For the mineral collector

For the mineral collector

and clarifying perspective

these Green Agate Tumbled Stones are versatile companions on your journey towards emotional and spiritual fulfillment

by which it can transform mechanical pressure or heat into electromagnetic energy

The Black Tourmaline Crushed Chips in an extra coarse texture are carefully selected for their quality and protective properties

Cassiterite In Quartz Tumbled Stones Size:Medium For the mineral collectorCassiterite In Quartz Tumbled Stones Cassiterite is a black mineral composed of tin oxide (SnO2); although very rare yellow ish translucent gemstone quality of cassiterite also occurs. Another name for Cassiterite is Tinstone, as it is an important tin ore. These specimens contain cassiterite in a matrix of quartz, some may also contain orange stains that may be iron ore or hematite inclusions.