At-A-Glance
Country of Origin
MT
United States
Photos
Essential Information
Specimen ID
3513
Mineral Name
Corundum
Mineral Variety
Sapphire
Chemical Formula
Al2O3
Additional Details
Specimen Number
011
Physical Description
Five transparent white to blue grains in glass vial
Geographic Origin
Locality Nickname
Helena, Montana
Locality Lat/Long
46.5891452, -112.0391057
Mining District
Helena Mining District