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Caswellite & Andradite

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Caswellite & Andradite

Type Locality

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.4 × 1.2 cm
Description

Nice example of Caswellite, a local name for a pseudomorph of Grossular  after Hendricksite, with yellow massive Andradite in matrix from famous Franklin Mine (USA).

Mineral Data
What's on the rock

Caswellite

Variety Of: 

Grossular

Formula: 
Ca3Al2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0
Hardness: 
2.5 - 3.0
Streak: 
White

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Seller Information

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Seller's terms and conditions

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