- a brown or black mineral, tin dioxide, SnO2, that crystallizes in the tetragonal system; tinstone: the principal ore of tin.
Origin of cassiterite
Examples from the Web for cassiterite
Historical Examples of cassiterite
Cassiterite, the principal tin ore, would have to be roasted.The A B C of Mining
Charles A. Bramble
Our new ledge is a jim-dandy; and seem' as I cheated the woman out of her cassiterite, I'm bound to make it good in yellow gold.The Trail of a Sourdough
May Kellogg Sullivan
Cassiterite is practically insoluble and is very resistant to decomposition by weathering.
The original home of cassiterite is in veins closely related to granitic rocks.
Stannite probably alters to "wood tin," a fibrous variety of cassiterite.
- a black or brown mineral, found in igneous rocks and hydrothermal veins. It is a source of tin. Composition: tin oxide. Formula: SnO 2 . Crystal structure: tetragonalAlso called: tinstone