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Natrolite

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MNT57126

Natrolite

Ex Dr A. Krantz (Bonn Germany), ex ?. (Schwerdt ?)
Classic Locality

Description Tabs

Description
Locality: 
Cvikov, Česká Lípa, Liberec Region, Czech Republic
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.5 × 3 cm
Description

A real European classic with pedigree: from the August Krantz stock dating between 1850 and 1888 this specimen from Bohemia found its way to another german collection, probably at the end of the 19th century.

A small vug in dense basaltoid is lined by whitish long prismatic to acicular natrolite crystals, exhibiting termination faces, found in or near Leipa (today Ceska Lipa) in the Usti nad Labem area. 2 old labels come with this one.

Mineral Data
What's on the rock

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

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Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger

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