Microlite and Grandidierite Physical Properties

Microlite

Grandidierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.52.85-3.00

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Perfect

Mohs Hardness

5-5.57.5

2 10

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Chemical Composition

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Microlite and Grandidierite Chemical Formula

While comparing Microlite and Grandidierite 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 Microlite and Grandidierite chemical formula.

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

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Microlite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.