At-A-Glance
Country of Origin
Photos
Essential Information
Specimen ID
2646
Mineral Name
Schorl
Chemical Formula
NaFe++3Al6(BO3)3Si6O18(OH)4
Subcollection
Phillips
Additional Details
Specimen Number
018
Notes for Researchers
May be part of the 18a Schorl sample, and potentially separated. The no-locality Tourmaline 18 catalog card specifies 3 crystals. There are two in the 18a sample. This might be the 3rd one.
Physical Description
Schorl crystal, terminated
Geographic Origin
Locality Nickname
Unknown Locality