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

Physical Properties

Crystal System: Hexagonal

Crystal Form: (Hexagonal) Platy

Habit: Foliated, shell-like

Hardness: 1.5-2

Cleavage / Fracture: {0001} perfect

Luster: Submetallic

Color: Indigo blue

Streak: Lead gray to black

Specific Gravity: 4.6-4.8

Other Characteristics:

(1)Opaque

(2)Producing blue flames when burned.

(3)Often tinged with purple iridescence.

        

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