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Prehnite With Datolite

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PDM873726

Prehnite With Datolite

Classic Locality

Description Tabs

Description
Locality: 
Upper New Street Quarry, Paterson, Passaic County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 4.2 × 1.1 cm
Description

Crust of light green spheroidal aggregates of translucent prehnite richly associated to sharp glassy lustrous datolite crystals of transparent to white colour.

Ex Guido Cornelis specimen.

Mineral Data
What's on the rock

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

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

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