At-A-Glance
Country of Origin
Ambatofinandrahana
Madagascar
Contributors
Arthur Montgomery
Photos
Essential Information
Specimen ID
5578
Mineral Name
Dumortierite
Chemical Formula
(Al,Fe3+)7(SiO4)3(BO3)(O,OH)3
Subcollection
Arthur Montgomery
Additional Details
Specimen Number
008
Physical Description
Fibrous silky blue mass
Geographic Origin
Locality Nickname
Ambatofinandrahana, Madagascar
Locality Lat/Long
-20.5501168, 46.8010727
Mining District
Ambatofinandrahana