Measurements:
87 x 66 x 17 mm
Description: A plate of quartz crystals (of which a few are double terminated) with hematite inclusions. There are bits of feldspar clay among the crystals.
The bottom of the specimen reveals a prominent (previous) crack. While still in the ground, the crack was healed when further crystallization took place, and a few small crystals actually formed in what was previously the crack (image bottom left).
A few of the crystals have
nicks.
Weight of Specimen: 78 g
Chemical
Composition: SiO2
Hardness
on Mohs Scale: 7
Location:
Orange River
area, Northern Cape, South Afric
Specimen
Code: NC
030
R 150
...| Home | Order Form |
