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Allactite Kraisslite & Chlorophoenicite

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BCK161595

Allactite Kraisslite & Chlorophoenicite

William Henderson collection

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.7 × 1.4 cm
Description

Exceptional sprays of allactite accompany scaly crystals of kraisslite and acicular chlorophoenicite on very nice rhombs of rhodochrosite and a little fluorite. Fantastic specimen!

Mineral Data
What's on the rock

Allactite

Formula: 
Mn2+7(AsO4)2(OH)8
Strunz: 
8.BE.30
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Moss mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

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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