Schorl Crystal Group – NERS 015

Measurements:  55 x 40 x 30 mm

Description:  A beautiful group of schorl crystal with some parts having foitite habit.

The specimen has a few contact marks and nicks.

Weight of Specimen:  42 g

Chemical Composition:  NaFe²⁺₃Al₆Si₆O₁₈(BO₃)₃(OH)₄ 

Hardness on Mohs Scale:  7.5    

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERS 015