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Okenite & Prehnite

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CSW961798

Okenite & Prehnite

Ex Rudy Tschernich & Ex Harry J Foy Collections
Classic Locality

Description Tabs

Description
Locality: 
Mumbai District, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 10.5 × 4.7 cm
Weight: 
487.00gr
Description

A classic Indian example of a large amygdale lined with colourless to light green prehnite crystals with large spherical clusters of white okenite crystals.

The specimen was traded to the late Harry J Foy (Ireland) in 1975 by the famous zeolite collector and researcher, Rudy Tschernich, author of the classic 'Zeolites of the World' book.

Mineral Data
What's on the rock

Okenite

Formula: 
CaSi2O5·2H2O
Strunz: 
9.EA.40
Hardness: 
4.5 - 5.0
Type Locality: 
Qutdligssat (Kudlisat), Qeqertarsuaq Island (Disko Island), Qaasuitsup, Greenland

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.