Schorl and Feldspar Cluster – NERS 009

Lovely arrangement of schorl and feldspar

Measurements:  36 x 35 x 32 mm

Description:  A lovely arrangement of small black tourmaline (schorl) crystals with feldspar. A few of the crystals have damage.

Weight of Specimen:  37.5 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:  NERS 009

US $ 25

.
.
..
..

.
     
 
Home Order Form