Azurmalachite and Sillimanite Physical Properties

Azurmalachite

Sillimanite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.95

3.20-3.26

1.5 Fracture

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

Splintery

1.6 Cleavage

1,1 basal.

{010} perfect

1.7 Mohs Hardness

3.5-4

6-7.5

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Azurmalachite and Sillimanite Chemical Formula

While comparing Azurmalachite and Sillimanite 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 Sillimanite 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 Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

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Azurmalachite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.