Schorl Crystal Cluster – BARG 027

Schorl crystal cluster with good lustre

Measurements:  30 x 28 x 20 mm 

Description:  A lovely cluster of schorl crystals with good lustre, and bits of feldspar attached to its bottom. 

The specimen has pressure marks and some damage, mostly near the bottom and one of the sides. Two of the crystals each have a hairline flaw.

Weight of Specimen:  13.9 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
, Namibia.   

Specimen Code:  BARG 027

US $ SOLD

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