3881 - Tourmaline Group

At-A-Glance

Country of Origin

CT
United States

Contributors

Sage

Photos

Essential Information

Specimen ID

3881

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
156

Vein in pegmatite filled with needle crystals

Geographic Origin

Locality Nickname

Portland, Connecticut

Locality Lat/Long

41.5726229, -72.6408139
Original Attributed Locality
Connecticut
Portland