Schorl and Feldspar Specimen – NAM 026

Measurements:  75 x 60 x 55 mm

Description:  A schorl specimen (variety foitite) with shiny facets and a sprinkling of feldspar in various shades.

The specimen displays well on a flat surface, all-round. It has several contact marks, otherwise little damage.

Weight of Specimen:  294 g

Chemical Composition:  NaFe²⁺₃Al₆Si₆O₁₈(BO₃)₃(OH)₄  (schorl)
                                       KAlSi₃O₈  (feldspar)                             

Hardness on Mohs Scale:  (schorl)  7.5
                                          (feldspar)  6 - 6.5

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NAM 026

R 350