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Sonolite & Franklinite

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BCK678465

Sonolite & Franklinite

Kristalle Specimen
Classic Locality

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 1.8 cm
Description

You are bidding on a nice large thumbnail sample that has a very large, rough reddish sonolite crystal that is hosting two nice sharp franklinite crystals all etched from calcite. A very large sonolite crystal! From Kristalle/Crystal Classics minerals and the George Elling collection. 

Mineral Data
What's on the rock

Sonolite

Formula: 
Mn2+9(SiO4)4(OH,F)2
Strunz: 
9.AF.55
Hardness: 
5.5
Type Locality: 
Sono mine, Wazuka-cho, Sohraku-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan

Franklinite

Formula: 
Zn2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Colour: 
Black
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Seller Information

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