3872 - Tourmaline Group

At-A-Glance

Country of Origin

PA
United States

Photos

Essential Information

Specimen ID

3872

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
106

Red-brown partial crystal aggregate in gray matrix

Geographic Origin

Locality Nickname

West Chester, Pennsylvania

Locality Lat/Long

39.9606643, -75.6054882
Original Attributed Locality
Pennsylvania
West Chester