Grandidierite and Leucite Physical Properties

Grandidierite

Leucite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.002.45-2.50

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect

Poor on {110}

1.7 Mohs Hardness

7.55.5-6

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Leucite Chemical Formula

While comparing Grandidierite and Leucite 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 Grandidierite and Leucite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Grandidierite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.