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Hauckite & Pyrochroite

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BCK149386

Hauckite & Pyrochroite

William Henderson collection
Type Locality

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1 cm
Description

A small matrix specimen with tiny clusters of very rare hexagonal, golden yellow hauckite crystals with black pyrochroite prisms and fibrous sussexite. From the William Henderson collection.

Mineral Data
What's on the rock

Hauckite

Formula: 
Fe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81
Strunz: 
7.BB.10
Hardness: 
2.0 - 3.0
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Pyrochroite

Formula: 
Mn(OH)2
Strunz: 
4.FE.05
Hardness: 
2.5 - 3.0
Type Locality: 
Pajsberg Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden

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