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

Physical Properties

Crystal System: Axis of symmetry

Crystal Form: Cube, octahedron or dodecahedron

Habit: Plates or irrefular form

Hardness:3

Cleavage/Fracture: None, uneven

Luster:Metallic

Color:Reddish bronze Streak: Grayish black

Specific Gravity:4.9-5.3

Other Characteristics:

(1)Brittle

(2)Good conductivity

(3)Surface tarnishes to iridescent deep blue, purple and red.

          

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