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Natrolite With Calcite

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QRI768360

Natrolite With Calcite

Classic Locality

Description Tabs

Description
Locality: 
Hammerunterwiesenthal, Oberwiesenthal, Erzgebirgskreis, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.1 × 4.2 × 4 cm
Largest Crystal: 
0.15cm
Weight: 
107.00gr
Description

Rich small cabinet featuring a volcanic rock vug mineralised by grey prismatic calcite, finely coated by a myriad of well-formed natrolite crystals. Natrolite has a good lustre and crystal form for the specie, elongated and with milky-pinkish color and colorless, flat terminations.
Excellent coverage for this Germany classic, in great conditions with very minimal peripheral bruise.

Recently acquired from an Italian collector.

Bought: 
2019
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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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Shipping within 15 days after payment received, unless specified/agreed otherwise.

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