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Jeffersonite

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SER720268

Jeffersonite

ex David Shannon collection

Description Tabs

Description
Locality: 
Sterling Hill, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 1.6 cm
Description

Dark green-brown crystals on matrix

Previous labels supplied (not photographed)
Mineral Data
What's on the rock

Jeffersonite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Formula: 
Ca(Mn,Zn,Fe)Si2O6
Hardness: 
4.5 - 5.0
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