Violane and Hollandite Physical Properties

Violane

Hollandite

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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

3.22-3.405.05

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

Not Available

Distinct / Good, Prismatic

1.7 Mohs Hardness

5-64-6

2 10

1.8 Chemical Composition

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

Ba(Mn++++,Mn++)8O16

Violane and Hollandite Chemical Formula

While comparing Violane and Hollandite 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 Hollandite chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Violane and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Violane and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Violane is 5.05 whereas that of Hollandite is 5.05.