＜ ＜ ＜Knowledge unit of Minerals ＞ ＞ ＞
Dyscrasite
Introduction
Physical Properties
Chemical Properties
Occurences
Notable Locality
Major Uses
Diagnostic Features

Physical Properties

Crystal System: Orthorhombic

Crystal Form: Pyramidal

Habit: Massive, sheety, granular

Hardness: 3.5

Cleavage / Fracture: {001} and {011} distinct; {110} imperfect; uneven fractures

Luster: Metallic

Color: Silver white to lead gray

Streak: Silver white

Specific Gravity: 9.71

Other Characteristics: Cyclic twinned crystals, usually hexagonal, are often formed on {110}.

          

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