Double / Multi-Terminated Schorl Crystal – NERS 001

Double / multi-terminated black tourmaline (schorl) crystal with shiny, jet black colour and lovely lustre


Measurements:
 63 x 30 x 26 mm

Description:  A double / multi-terminated black tourmaline (schorl) crystal with shiny, jet black colour and lovely lustre, of the schorl variety foitite. There are several minute to very small schorl crystals on its surface. Both ends have spectacular terminations. The few tiny, whitish bits on its surface is either feldspar or quartz.

The specimen has a few natural contact marks where it became detatched from its mother rock, and a few small nicks. 

Weight of Specimen:  77.7 g

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

Hardness on Mohs Scale:  7.5   

Location:  Erongo Mountains Pegmatites, Namibia.

Specimen Code:  NERS 001

US $ 75

                                          



 
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