Pleonaste and Sinhalite Physical Properties

Pleonaste

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

3.803.46-3.50

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

86-7

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Sinhalite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Sinhalite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Pleonaste and Sinhalite Specific Gravity

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