Quartz Crystal on Small Matrix – NBB 217

Faint amethyst quartz crystal with inclusions, on small matrix

Measurements:  43 x 27 x 24 mm

Description:  A quartz crystal with faint amethyst colouring and lovely gas and hematite inclusions, shares a small basalt matrix with a few very small quartz crystals and bits of calcite. A few of these small crystals also have reddish hematite inclusions. Two small quartz crystals have fused to the side of the main crystal. Around midway is a small dendrite included under its surface.

The termination point of the main crystal has a nick, while there is a small blow-out to one of the crystal's shaft facets.

Weight of Specimen:  24.9 g

Chemical Composition:  SiO2  (quartz)
                                       CaCO3 (calcite)

Hardness on Mohs Scale:  (quartz)  7  

Location:  Brandberg, Namibia.

Specimen Code:  NBB 217

US $ 15

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