Measurements: 44 x 16 x 14 mm
Description: A quartz crystal with light smoky colouring, and a milky patch in its upper half. It has one very thin rutile needle inside, and a faint phantom (image top right).
The termination has a few minute nicks, and contact marks where it parted from its matrix.
Weight of Specimen: 16.6 g
Chemical Composition: SiO2
Hardness on Mohs Scale: 7
Location: Vredendal Quarry, Western Cape, South Africa.
Specimen Code: SWCV 010
US $ 35