At-A-Glance
Country of Origin
Australia
Photos
Essential Information
Specimen ID
839
Mineral Name
Opal
Mineral Variety
Semiopal
Chemical Formula
SiO2•n(H2O)
Additional Details
Specimen Number
065
Physical Description
Brown/white opaque mass
Geographic Origin
Locality Nickname
Angaston, South Australia
Locality Lat/Long
-34.503519, 139.0505472
MinDat Locality URL
Additional Details
Geographic Features
Barossa Valley
Mt. Lofty Range