AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Orthoclase var. Carlsbad Twin

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Orthoclase var. Carlsbad Twin from Gunheath Pit, St. Austell District, Cornwall, England

 
Orthoclase var. Carlsbad Twin from Gunheath Pit, St. Austell District, Cornwall, England

Orthoclase var. Carlsbad Twin from Gunheath Pit, St. Austell District, Cornwall, England

DESCRIPTION:No. 46438
Mineral:Orthoclase var. Carlsbad Twin
Locality:Gunheath Pit, St. Austell District, Cornwall, England
Description:Doubly-terminated white orthoclase crystals with the outer surface partially altered to kaolinite. The orthoclase is twinned down the center following the Carlsbad Law of feldspar twinning and can be seen in the twin terminations that are opposites.
Overall Size:38x22x8 mm
Crystals:38 mm
Archived: For reference only

 

 

 

 

 

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