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

Physical Properties

Crystal System: Orthorhombic

Crystal Form: Tabular; prismatic

Habit: Concretion; conchoidal; cockscomb; massive; granular

Hardness: 6-6.5

Cleavage/Fracture: {101} clear; uneven fracture

Luster: Metallic

Color: Light brass-yellow

Streak: gray to green

Specific Gravity:4.8-4.9

Other Characteristics:

(1)Crisp

(2)Opaque

(3)Turning to magnetic spheres after melted

        

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