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Hauckite Pyrochroite & Zincite

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JYJ74055

Hauckite Pyrochroite & Zincite

ex. R. Feigl
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: 
2 × 3.2 × 1.5 cm
Description

A specimen with  hexagonal rosettes of hauckite, a rare mineral named after Richard Hauck. Crystals are accompanied by minor yellow zincite in good crystals. The last two pictures show pyrochroite.

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

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