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Natrolite Var Mésotype

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BSM140066

Natrolite Var Mésotype

ex Philadelphia Academy of Natural Sciences #4524

Description Tabs

Description
Locality: 
Madenburg, Eschbach, Rhineland-Palatinate, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.7 × 7.4 × 3.4 cm
Description

 A complete cavity including feeder pipe within a basalt matrix is lined with minute white hairlike crystals.

Little is known about this location other than it was one of the Rhine crossings in March 1945 towards the end of the 2nd World war.

The specimen was originally in the collection of Prince de Wied - possibly Alexander Philipp Maximilian 1782 -1867, an explorer and naturalist.

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

Mésotype

Synonym Of: 

Mesolite

Formula: 
Na2Ca2Si9Al6O30·8H2O
Strunz: 
9.GA.05
Hardness: 
5.0

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5

Scolecite

Formula: 
CaAl2Si3O10·3H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5

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