“Stream tin” cassiterite, 4.0 x 3.3 x 1.5 cm, Basin Creek placers, Cataract District (Comet District; Basin District), Jefferson Co., Montana, USA. © Rob Lavinsky, www.iRocks.com. Used with permission.
Opaque Brown Cassiterite Rough from United States
"Stream tin" cassiterite, 4.0 x 3.3 x 1.5 cm, Basin Creek placers, Cataract District (Comet District; Basin District), Jefferson Co., Montana, USA. © Rob Lavinsky, www.iRocks.com. Used with permission.
Article: Cassiterite Value, Price, and Jewelry Information
Credit: www.iRocks.com
| Gemstone | Cassiterite |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | Basin Creek placers, Cataract District (Comet District; Basin District), Jefferson Co., Montana |
| Height | 40 |
| Width | 33 |
| Depth | 15 |
| Gem State | Rough |
| Color | Brown |
| Transparency | Opaque |