Onyx and Azurmalachite Physical Properties

Onyx

Azurmalachite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.70-3.95

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Indiscernible

1,1 basal.

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

SiO₂

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

Onyx and Azurmalachite Chemical Formula

While comparing Onyx 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 Onyx and Azurmalachite chemical formula.

Chemical formula of Onyx- SiO₂
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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Onyx and Azurmalachite Specific Gravity

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