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Magnesio-hastingsite

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Magnesio-hastingsite

ex. collection T. Henderson

Description Tabs

Description
Locality: 
Rhein Property, Amity, Orange County, New York, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 3.5 × 5 cm
Weight: 
71.00gr
Description

Blocky, blackish-brown crystals of magnesio-hastingsite on massive magnesio-hastingsite. Rare specimen.

Mineral Data
What's on the rock

Magnesio-hastingsite

Formula: 
NaCa2(Mg4Fe3+)Si6Al2O22(OH)2
Group Parent: 
Hastingsite Root Name
Strunz: 
8/F.10-130
Crystal System: 
Monoclinic
Hardness: 
5 - 6
Colour: 
Green to brownish-green
Type Locality: 
Canadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada

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