Chalcopyrite and Obsidian Physical Properties

Chalcopyrite

Obsidian

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.1-4.32.35-2.60

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

Indistinct on {011}

Not Available

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Not Available

Chalcopyrite and Obsidian Chemical Formula

While comparing Chalcopyrite and Obsidian physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chalcopyrite and Obsidian chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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Chalcopyrite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcopyrite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcopyrite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Chalcopyrite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.