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Flinkite & Cahnite

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BCK527846

Flinkite & Cahnite

Rare Mineral

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: 
1.2 × 1.2 × 1.1 cm
Description

You are bidding on an exceptionally rare specimen from the Buckwheat Dump in Franklin, NJ. This material was collected by Alice Kraissl and very few specimens are known to exist. Brown bladed crystals of extremely rare flinkite accompany many colorless, complex crystals of cahnite with minor franklinite. Jarosewichite was also found in this assemblage but none seems to be present on this specimen. This is a fantastic Franklin rarity. 

Mineral Data
What's on the rock

Flinkite

Formula: 
Mn2+2Mn3+(AsO4)(OH)4
Strunz: 
8.BE.30
Hardness: 
4.5
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden

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

Seller Information

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