Piemontite and Microlite Physical Properties

Piemontite

Microlite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

-99995.5

1 7.18

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Fracture

Uneven, Splintery

Conchoidal

Cleavage

[001] good, [100] distinct

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

Mohs Hardness

6-6.55-5.5

2 10

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Chemical Composition

Ca2Al3(SiO4)(Si2O7)O(OH)

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

Piemontite and Microlite Chemical Formula

While comparing Piemontite and Microlite 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 Piemontite and Microlite chemical formula.

Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Piemontite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 5.5 whereas that of Microlite is 5.5.