Measurements: 68 x 35 x 25 mm
Description: A specimen consisting of a group of (mostly double terminated) smoky / amethyst quartz crystals fused into one.
The specimen has a number of moving bubbles and a complicated growth structure. Some of the surfaces have a somewhat dull appearrance, and there are a few patches of (?)chalcedony on some surfaces.
The two main terminations have no notable damage, but there is damage to the side of the specimen where it became detached from its matrix. The lesser terminations also have nicks, and there is a flaw to one crystal.
Weight of Specimen: 47.9 g
Chemical Composition: SiO2
Hardness on Mohs Scale: 7
Specimen Code: NBB 059US $ 25