Microlite and Achroite Physical Properties

Microlite

Achroite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.52.90-3.40

1 7.18

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Fracture

Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

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

Indiscernible

Mohs Hardness

5-5.57-7.5

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Microlite and Achroite Chemical Formula

While comparing Microlite and Achroite 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 Achroite 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 Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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Microlite and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microlite and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Achroite Optical Properties during the identification of gemstone. Specific gravity of Microlite is 2.90-3.40 whereas that of Achroite is 2.90-3.40.