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Cahnite & Jarosewichite

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BCK201018

Cahnite & Jarosewichite

Type Locality

Description Tabs

Description
Locality: 
Franklin, Sussex County, New Jersey, United States of America
Size Range: 
Micromount (under 1cm)
Size: 
0.2 × 0.1 × 0.1 cm
Description

You are bidding on a small group of cahnite crystals free of matrix. Attached to the cahnite are some tiny brown balls said to be jarosewichite on the label which I personally find to be a bit dubious.

Mineral Data
What's on the rock

Cahnite

Formula: 
Ca2[B(OH)4](AsO4)
Strunz: 
6.AC.70
Hardness: 
3.0
Streak: 
White
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Jarosewichite

Formula: 
Mn2+3Mn3+(AsO4)(OH)6
Strunz: 
8.BE.70
Hardness: 
4.0
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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