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Larsenite & Hancockite

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BCK668248

Larsenite & Hancockite

George Elling collection
Type Locality

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 4.3 × 2.7 cm
Description

You are bidding on a large sample with a vug in axinite-Mn hosting some tiny white needles of extremely rare larsenite with hundreds of brown needles of hancockite. Larsenite is one of the rarest species from Franklin and samples are exceedingly rare. From the George Elling collection. 

Mineral Data
What's on the rock

Larsenite

Formula: 
PbZnSiO4
Strunz: 
9.AB.10
Hardness: 
3.0
Streak: 
White
Type Locality: 
Parker Mine (Parker shaft), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

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

Seller Information

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