3922 - Tourmaline Group

At-A-Glance

Country of Origin

NY
United States

Photos

Essential Information

Specimen ID

3922

Mineral Name

Tourmaline Group

Chemical Formula

(Ca,Na,K,Pb)(Al,Fe2+,Fe3+,Li,Mg2+,Mn2+,Ti)3(BO3)3(O,OH)3(F,O,OH)
Specimen Number
010a

Single black crystal, severely shortened on c axis

Geographic Origin

Locality Nickname

St. Lawrence Co., New York

Locality Lat/Long

44.4473142, -74.930206
Original Attributed Locality
New York
St. Lawrence County