Azurmalachite and Common Opal Physical Properties

Azurmalachite

Common Opal

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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

3.70-3.951.98-2.50

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

1,1 basal.

Not Available

1.7 Mohs Hardness

3.5-45.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Azurmalachite and Common Opal Chemical Formula

While comparing Azurmalachite and Common Opal 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 Common Opal chemical formula.

Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Azurmalachite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.