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Mineralpedia Details for Yeatmanite

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Yeatmanite

Yeatmanite

Formula
Zn6Mn2+9Sb5+2O12(SiO4)4 
Crystal System
Triclinic 
Crystal Habit
Platy, Anhedral Grains 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
clove brown 
Streak
pale brown 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
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Yeatmanite from Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Yeatmanite
            from Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Dark reddish plates less than 1mm in matrix. Not confirmed.

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