At-A-Glance
Country of Origin
WA
United States
Photos
Essential Information
Specimen ID
864
Mineral Name
Opal
Mineral Variety
Semiopal
Chemical Formula
SiO2•n(H2O)
Additional Details
Specimen Number
008
Notes for Researchers
"semi-opal"
Physical Description
Green/yellow/brown opalized wood
Geographic Origin
Locality Nickname
Douglas Co., Washington
Locality Lat/Long
47.7790617, -119.7474606