Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Corundum

Views:
Watches:
ESM632452

Corundum

Description Tabs

Description
Locality: 
Bozeman Corundum Mine, Gallatin Gateway, Galatin County, Montana, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3 × 2 cm
Description

A blue-gray doubly terminated crystal on feldspar-biotite matrix

Mineral Data
What's on the rock

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White