Violane and Marcasite Physical Properties

Violane

Marcasite

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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

3.22-3.404.80-4.90

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

{010} Indistinct

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Violane and Marcasite Chemical Formula

While comparing Violane and Marcasite 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 Marcasite chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Violane and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Violane and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Violane is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.