834 - Opal

At-A-Glance

Country of Origin

United States

Photos

Essential Information

Specimen ID

834

Mineral Name

Opal

Mineral Variety

Opal

Chemical Formula

SiO2•n(H2O)
Specimen Number
070

"Geyserite" opal, rounded rough/knobby pieces

Geographic Origin

Locality Nickname

Yellowstone National Park, Wyoming

Locality Lat/Long

44.427963, -110.588455
Geographic Features
Yellowstone National Park
Yellowstone Caldera
Snake River Plain