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Troostite & Franklinite

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TPX506850

Troostite & Franklinite

Classic Locality

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.4 × 0.8 cm
Description

Small but very nice specimen of Troostite and Franklinite crystals from this classic American site.
 

Mineral Data
What's on the rock

Troostite

Variety Of: 

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Formula: 
(Zn,Mn)2SiO4
Hardness: 
0.0

Franklinite

Formula: 
Zn2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Colour: 
Black
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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