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Hardystonite & Franklinite

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POL818186

Hardystonite & Franklinite

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: 
2.9 × 2.9 × 2.6 cm
Description

Rare, pale pinkish Hardystonite with black Franklinite from Type Locality. Fluorescence under SWUV.

Mineral Data
What's on the rock

Hardystonite

Formula: 
Ca2Zn(Si2O7)
Strunz: 
9.BB.10
Hardness: 
3.0 - 4.0
Streak: 
white
Type Locality: 
Franklin Mine, Franklin, 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

Seller Information

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Seller's terms and conditions

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