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Natrolite & Datolite

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CR29491

Natrolite & Datolite

With Antique Label

Description Tabs

Description
Locality: 
Bergen Hill, Hudson County, New Jersey, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 5.5 × 3.8 cm
Largest Crystal: 
1.50cm
Description

Nice white natrolite crystals up to 15 mm on datolite crystals from an old collection.

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

Datolite

Formula: 
Ca(HBSiO5)
Strunz: 
9.AJ.20
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Nødebro Mine (Nøddebro), Arendal Iron Mines, Arendal, Aust-Agder, Norway