Azurmalachite and Polyhalite Physical Properties

Azurmalachite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.952.78

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

Conchoidal, Brittle

1.6 Cleavage

1,1 basal.

Perfect on {10 1 }; parting on {010}

1.7 Mohs Hardness

3.5-43.5

2 10

1.8 Chemical Composition

(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

Not Available

Azurmalachite and Polyhalite Chemical Formula

While comparing Azurmalachite and Polyhalite 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 Azurmalachite and Polyhalite chemical formula.

Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

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Azurmalachite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 2.78 whereas that of Polyhalite is 2.78.