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Mineralpedia Details for Hellyerite

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Hellyerite

Hellyerite

Formula
NiCO3ยท6H2
Crystal System
Monoclinic 
Crystal Habit
Encrustations 
Cleavage
Perfect, Very Good, Very Good 
Luster
Vitreous (Glassy) 
Color
light blue 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
2.5 
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Mindat
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