912 - Opal

At-A-Glance

Country of Origin

Červenica
Slovakia

Contributors

Archibald MacMartin

Photos

Essential Information

Specimen ID

912

Mineral Name

Opal

Chemical Formula

SiO2•n(H2O)

Subcollection

Archibald M. MacMartin
Specimen Number
028

Geographic Origin

Locality Nickname

Červenica, Slovakia

Locality Lat/Long

48.8789129, 21.4474838
Original Attributed Locality
Hungary
Cerwenitza