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Ganomalite & Barysilite

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BCK811018

Ganomalite & Barysilite

Steven Phillips collection
Rare Mineral

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.6 × 0.7 cm
Description

You are bidding on a small sample with very rich, rough plates of rare barysilite with epitaxial colorless, hexagonal crystals of ganomalite. Both are very rare species at Franklin but ganolmalite is exceptionally rare and hard to find! Ex. Alice Kraissl collection. 

This specimen is from the Steven Phillips collection of Franklin District micromounts and rarities curated by Vandall King, and features specimens from a multitude of well-known collectors of the locality including Alice Kraissl, Russ DeRoo, Dave Cook, Van King and others. Many of these samples may be featured in photos in the upcoming three volume series of books being compiled by Vandall King.

Mineral Data
What's on the rock

Ganomalite

Formula: 
Pb9Ca5Mn(Si2O7)4(SiO4)O
Strunz: 
9.BG.25
Hardness: 
3.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Barysilite

Formula: 
Pb8Mn2+[Si2O7]3
Strunz: 
9.BC.20
Crystal System: 
Trigonal
Hardness: 
3.0
Colour: 
White
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden

Seller Information

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