At-A-Glance
Country of Origin
WA
United States
Photos
Essential Information
Specimen ID
871
Mineral Name
Opal
Mineral Variety
Semiopal
Chemical Formula
SiO2•n(H2O)
Subcollection
Paris Exposition
Additional Details
Specimen Number
007
Geographic Origin
Locality Nickname
Douglas Co., Washington
Locality Lat/Long
47.7790617, -119.7474606