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Measurements: 45
x
24 x 18 mm
Description: A clear crystal with prolific inclusions caused by gas. There is a neat window on the shaft of the crystal and a cavity at the bottom. The brown colour is due to clay inclusions. The termination has a nick and a few red hematite specks. Chemical Composition: SiO2 Hardness on Mohs Scale: 7 Location: Brandberg, Namibia Specimen Code: NBB 040 US $ 45 |