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Hancockite & Clinohedrite

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SKY540496

Hancockite & Clinohedrite

Type Locality

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1 cm
Description

Sharp orange perfect crystals of the very rare mineral hancockite known from only 3 localities worldwide, being this one from the type locality and associated to pinkish cleavages of clinohedrite included in the matrix.

Hancockite crystals of this quality are rarely seen in the mineral systematic market

Mineral Data
What's on the rock

Hancockite

Variety Of: 

Epidote-(Pb)

Formula: 
{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05
Hardness: 
6.0 - 7.0
Formula: 
{CaPb}{Al2(Fe3+,Mn3+)}(Si2O7)(SiO4)O(OH)
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Parker Mine (Parker shaft), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Clinohedrite

Formula: 
CaZn(SiO4)·H2O
Strunz: 
9.AE.30
Hardness: 
5.5
Streak: 
White
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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