At-A-Glance
Country of Origin
Italy
Contributors
Charles Fayerweather
Photos
Essential Information
Specimen ID
1789
Mineral Name
Biotite
Chemical Formula
K(Mg,Fe++)3[AlSi3O10(OH,F)2
Subcollection
Charles S. Fayerweather
Additional Details
Specimen Number
020
Physical Description
Black fine grained granular mass
Geographic Origin
Locality Nickname
Vesuvius, Italy
Locality Lat/Long
40.822383, 14.4289058
MinDat Locality URL
Additional Details
Geographic Features
Vesuvius
Somma-Vesuvius Complex