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Zincite Willemite Franklinite & Calcite

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ZLT148556

Zincite Willemite Franklinite & Calcite

Type Locality

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.5 × 2.9 cm
Description

A deep red mass with cleavage faces with brown willemite and black franclinite in calcite matrix.
Good fluorescence. From ~1980.

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

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

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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