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Baryte : BaSO4, Pyrite : FeS2, Quartz (Var: Chalcedony) : SiO2

Copyright © Alan Goldstein
 
 
minID: GLH-XWH

Baryte : BaSO4, Pyrite : FeS2, Quartz (Var: Chalcedony) : SiO2

Copyright © Alan Goldstein  - This image is copyrighted. Unauthorized reproduction prohibited.

Barite is a very rare mineral at Halls Gap (one out of 1000 geodes examined with a microscope). Yet it is in larger crystals found in geodes 8 km (5 miles) away. The field of view is about 3 x 3 mm. Specimen in the collection of photographer Alan Goldstein.

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Photo added: 26th Nov 2004