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Magnetite & Andradite

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BCK727923

Magnetite & Andradite

George Elling collection
Classic Locality

Description Tabs

Description
Locality: 
Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 5.5 × 4.7 cm
Description

You are bidding on a large sample from Franklin with a cluster of large, fairly sharp magnetite crystals in minor andradite matrix. Very good magnetite sample for the locality from the George Elling collection. 

Mineral Data
What's on the rock

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

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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