At-A-Glance
Country of Origin
Valeč
Czechia
Contributors
Archibald MacMartin
Photos
Essential Information
Specimen ID
863
Mineral Name
Opal
Mineral Variety
Opal
Chemical Formula
SiO2•n(H2O)
Subcollection
Archibald M. MacMartin
Additional Details
Specimen Number
018
Geographic Origin
Locality Nickname
Waltsch (Valeč), Czech Republic
Locality Lat/Long
50.1741394, 13.2545762
MinDat Locality URL
Additional Details
Original Attributed Locality
Bohemia
Waltsch
Geographic Features
Doupov Mountains