At-A-Glance
Country of Origin
United States
Contributors
Marcus Farr
Photos
Essential Information
Specimen ID
841
Mineral Name
Opal
Mineral Variety
Opal
Chemical Formula
SiO2•n(H2O)
Subcollection
Montana Expedition
Additional Details
Specimen Number
087a
Geographic Origin
Locality Nickname
Yellowstone National Park, Wyoming
Locality Lat/Long
44.427963, -110.588455
MinDat Locality URL
Additional Details
Geographic Features
Yellowstone National Park
Yellowstone Caldera
Snake River Plain