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Pyroaurite Franklinite Kraisslite & Chlorophoenicite

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BCK980673

Pyroaurite Franklinite Kraisslite & Chlorophoenicite

Rare Mineral

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.1 × 1.1 cm
Description

You are bidding on a small miniature sample with rich, small hexagonal tabular crystals of pyroaurite with secondary franklinite crystals, needles of willemite, brown, micaceous kraisslite and radiating needles of chlorophoenicite. Rich and interesting paragenesis. 

Mineral Data
What's on the rock

Pyroaurite

Formula: 
Mg6Fe3+2(OH)16[CO3]·4H2O
Strunz: 
5.DA.50
Crystal System: 
Hexagonal
Hardness: 
2.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

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

Kraisslite

Formula: 
Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16
Strunz: 
8.BE.45
Crystal System: 
Hexagonal
Hardness: 
3.0 - 4.0
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Chlorophoenicite

Formula: 
(Mn,Mg)3Zn2(AsO4)(OH,O)6
Strunz: 
8.BE.35
Crystal System: 
Monoclinic
Hardness: 
3.0 - 3.5
Streak: 
colorless
Type Locality: 
Buckwheat pit (Southwest opening; Buckwheat Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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