At-A-Glance
Country of Origin
MD
United States
Photos
Essential Information
Specimen ID
845
Mineral Name
Opal
Chemical Formula
SiO2•n(H2O)
Additional Details
Specimen Number
082
Physical Description
Gray-brown hollow beads and fragments
Geographic Origin
Locality Nickname
Cecil Co., Maryland
Locality Lat/Long
39.5739403, -75.946324