Chalcopyrite and Dravite Physical Properties

Chalcopyrite

Dravite

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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

4.1-4.33.03-3.18

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Indistinct on {011}

{???} Indistinct

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

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

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Chalcopyrite and Dravite Chemical Formula

While comparing Chalcopyrite and Dravite 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 Dravite chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Chalcopyrite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcopyrite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcopyrite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Chalcopyrite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.