Malachite and Violane Physical Properties

Malachite

Violane

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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

3.25-4.103.22-3.40

1 7.18

2.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Perfect on { 2 01} fair on {010}

Not Available

2.7 Mohs Hardness

3.5-45-6

2 10

2.11 Chemical Composition

Cu₂CO₃(OH)₂

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Malachite and Violane Chemical Formula

While comparing Malachite and Violane 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 Malachite and Violane chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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Malachite and Violane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Violane Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.22-3.40 whereas that of Violane is 3.22-3.40.