Thulite and Violane Physical Properties

Thulite

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

3.1

3.22-3.40

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect {010} imperfect {100}

Not Available

1.7 Mohs Hardness

6-7

5-6

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Violane Chemical Formula

While comparing Thulite 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 Thulite and Violane chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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Thulite and Violane Specific Gravity

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