Violane and Periclase Physical Properties

Violane

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.403.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Not Available

{001} perfect; {111} imperfect, may exhibit parting on , {011}

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

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

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Violane and Periclase Chemical Formula

While comparing Violane and Periclase 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 Violane and Periclase chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Violane and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Violane and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Periclase Optical Properties during the identification of gemstone. Specific gravity of Violane is 3.7-3.9 whereas that of Periclase is 3.7-3.9.