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1 item @ $125.00  

Mineralpedia Details for Hercynite

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Hercynite

Hercynite

Formula
Fe2+Al2O4 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Granular 
Cleavage
Indistinct, Indistinct, Indistinct 
Luster
Vitreous (Glassy) 
Color
black 
Streak
dark green 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
7.5 
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