3892 - Tourmaline Group

At-A-Glance

Country of Origin

NJ
United States

Contributors

Alfred Hawkins

Photos

Essential Information

Specimen ID

3892

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
147

Equant black 2 mm crystals on matrix

Geographic Origin

Locality Nickname

Griggstown Mine, New Jersey

Locality Lat/Long

40.4378831, -74.6132128

Mine Name

Griggstown Mine
Original Attributed Locality
New Jersey
Griggstown