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Magnesio-hornblende

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BCK678438

Magnesio-hornblende

Frank Hess and Gerge Elling collections
Classic Locality

Description Tabs

Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.6 × 6 × 3.7 cm
Description

You are bidding on a large sample with some very nice, sharp 'hornblende' (probably magnesio-hornblende, sample not analyzed) crystals partially exposed from calcite matrix. Old label from the Frank Hess collection and passed to George Elling. 

Mineral Data
What's on the rock

Magnesio-hornblende

Formula: 
☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0

Seller Information

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