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Holdenite & Kolicite

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BCK661508

Holdenite & Kolicite

Ted Bartels collection
Type Locality

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.1 × 0.9 cm
Description

You are bidding on a small sample with some very rare crystals(!) of orange kolicite and pink holdenite on matrix with chlorophoenicite. There is at least one complete crystal of each species among other partial crystals showing some faces. The kolicite is much more rich here, but this is rare example of both species as crystals. From the Ted Bartels collection. Extremely rare!

Mineral Data
What's on the rock

Holdenite

Formula: 
(Mn2+,Mg)6Zn3(AsO4)2(SiO4)(OH)8
Strunz: 
8.BE.55
Hardness: 
4.0
Streak: 
White
Type Locality: 
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Kolicite

Formula: 
Mn2+7Zn4(AsO4)2(SiO4)2(OH)8
Strunz: 
8.BE.60
Hardness: 
4.5
Colour: 
Red brown
Streak: 
White
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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