3888 - Tourmaline Group

At-A-Glance

Country of Origin

Italy

Photos

Essential Information

Specimen ID

3888

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
071

Black equant crystals to 4 mm on basalt

Geographic Origin

Locality Nickname

Elba, Italy

Locality Lat/Long

42.7781867, 10.1927389
Original Attributed Locality
Island of Elba
Geographic Features
Elba Island