05btdbe ((COLORADOITE)) $10 MINIMUM BID, Bessie G Mine, La Plata County, Colorado, 1.5 x 1.5 x 1 cm, Thumbnail | |
Here is a thumbnail sized specimen. Coloradoite is a rare mercury telluride and is greyish black. There is also associated brassy Pyrite. Viewing needs a loop or microscope. |