Quartz Crystal on Matrix – NBB 064
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Measurements:
44
x 32 x 26 mm
Description: A quartz crystal with a hint of amethyst colouring, gas and bits of hematite inclusions, sits on a quartz and basalt matrix. There is one minute, still bubble, and one very minute bubble that moves in a V-pattern (when carefully tilted), with the one leg of the "V" quite a bit longer than the other. Close to the termination point is a minute, raised area of quartz in almost a droplet shape. The
crystal has only a minute nick at the base of the termination. Weight
of Specimen: 38.4 g Chemical
Composition:
SiO2 Hardness
on Mohs Scale: 7
Location: Brandberg, Namibia. Specimen Code: NBB 064 US $ 35 . .. . . .
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