Measurements: 60 x 46 x 33 mm
Description: A group of light smoky quartz crystals, partially coated witgh iron oxide.
The specimen has a few (mostly small) nicks and contact marks.
Qxalic acid will remove the iron oxide coating, but we prefer it with the coating.
Weight of Specimen: 100 g
Chemical Composition: SiO2
Hardness on Mohs Scale: 7
Van Rhynsdorp area, Western Cape,
Specimen Code: WC 009