Poldervaartite and Sinhalite Physical Properties

Poldervaartite

Sinhalite

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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

2.913.46-3.50

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Poldervaartite and Sinhalite Chemical Formula

While comparing Poldervaartite and Sinhalite 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 Poldervaartite and Sinhalite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Poldervaartite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.