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Holdenite & Kolicite

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SKY814055

Holdenite & Kolicite

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: 
1.5 × 1.3 × 1.3 cm
Description

Pink holdenite and orange kolicite crystals from the type locality for both species in Sterling Hill.

Holdenite and kolicite are one locality species worldwide !.

Two extremely rare minerals in a single specimen !

Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium.

 

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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