Violane and Oligoclase Physical Properties

Violane

Oligoclase

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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

3.22-3.402.62-2.67

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven

1.6 Cleavage

Not Available

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Violane and Oligoclase Chemical Formula

While comparing Violane and Oligoclase 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 Oligoclase chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Violane and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Violane and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Violane is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.