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Quartz (Var: Amethyst) : SiO2

Copyright © Volker Betz
 
 
minID: N74-UQ3

Quartz (Var: Amethyst) : SiO2

Copyright © Volker Betz  - This image is copyrighted. Unauthorized reproduction prohibited.

with crystal shaped liquid inclusion and a gas bubble. Field of view ca. 1.2 mm.
The liquid is typically saline water and the gas is carbon dioxide. But I am not aware of any scientific research for the inclusions from Osilo. If this crystals are put in a freezer, the water is freezing which causes cracks in the crystal and destroys crystal and bubble. In thin sections the freezing point can be used to determine the salinity of the water inclusion.


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Photo added: 14th Sep 2006