Apophyllite-(KOH) Mineral Gallery

Apophyllite-(KOH) Mineral Gallery
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Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.
 Hudson Institute of Mineralogy
 John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

Apophyllite-(KOH) Minerals

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Apophyllite-(KOH) Mineral Gallery With 2 Images

Apophyllite-(KOH) Image

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Apophyllite-(KOH): KCa4Si8O20(OH,F)·8(H2O)  
Apophyllite: KCa4(Si4O10)2F·8(H2O)  
Stilbite-Ca: NaCa4[Al8Si28O72]·n(H2O) (n=28-32)

Comments: 3 cm. pink-colored rosette of stilbite and clear "apophyllite" (probably hydroxyapophyllite) in an amygdaloidal cavity.
Location: Aurangabad District, Jalgaon, India. Scale: Specimen size 6 cm.
© Dave Barthelmy

Apophyllite-(KOH) Image

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Apophyllite-(KOH): KCa4Si8O20(OH,F)·8(H2O)  
Apophyllite: KCa4(Si4O10)2F·8(H2O)

Comments: Crystal cluster of tabular hydroxyapophyllite.
Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 2.5 x 2.3 cm.
© John Veevaert
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