Specimen #2442

Name: Green Tourmaline

Type: Gem

Locality: Minas Gerais, Brazi

Favorite? N

Fluorescent? N

Size: 8 x 6 x 4 mm

Weight: 1.30 ct

Acquired: 2012-05-30

Source: Trinity: Luciana Barbosa

Label: N

Comment: An oval, dark green Tourmaline with 1.30 carat. It has good clarity and shows a slight pleochroism: olive green from a front view and brighter green when viewed from the side. From Brazil.

Minerals: Elbaite (Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄) Tourmaline

There is one picture on file

M02442-01.jpg:

Tourmaline, Minas Gerais, Brazil - FOV: 6.4 x 9.6 mm