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Zincite & Franklinite & Willemite

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SHS687124

Zincite & Franklinite & Willemite

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
Franklin, Sussex County, New Jersey, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.5 × 1.6 cm
Description

Zinkite with franklinite and willemite in matrix

Mineral Data
What's on the rock

Zincite

Formula: 
(Zn,Mn2+,Fe2+)O
Strunz: 
4.AB.20
Crystal System: 
Hexagonal
Hardness: 
4.0
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

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

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Streak: 
White
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium