Fancy Quartz and Calcite Crystals on Matrix – NBB 132

Fancy quartz and calcite crystals on matrix

Measurements:  42 x 37 x 21  mm

Description:  A group of clear quartz crystals, of which at least six have 'fancy' terminations (with the biggest one - about 12 mm long - having only a very faint touch of amethyst colouring), along with several calcite crystals, all share a matrix of basalt rock. There are bits of (?)manganite deposits on the specimen.

Damage appears to be minimal, and limited to some of the edges of the specimen.

Weight of Specimen:  26.7 g

Chemical Composition:  SiO2  (quartz)    
3  (calcite)

Hardness on Mohs Scale:   (quartz)    
calcite)  3                                 

Location:  Brandberg, Namibia.

Specimen Code:  NBB 132

US $ 45 

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