Chalcopyrite and Astrophyllite Physical Properties

Chalcopyrite

Astrophyllite

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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

4.1-4.33.2-3.4

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

1.6 Cleavage

Indistinct on {011}

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

3.5-43

2 10

1.8 Chemical Composition

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

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Chalcopyrite and Astrophyllite Chemical Formula

While comparing Chalcopyrite and Astrophyllite 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 Astrophyllite chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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Chalcopyrite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcopyrite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcopyrite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Chalcopyrite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.