Polyhalite and Azurmalachite Physical Properties

Polyhalite

Azurmalachite

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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

2.783.70-3.95

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

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

1,1 basal.

1.7 Mohs Hardness

3.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Polyhalite and Azurmalachite Chemical Formula

While comparing Polyhalite and Azurmalachite 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 Polyhalite and Azurmalachite 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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Polyhalite and Azurmalachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.