Pollucite and Microlite Physical Properties

Pollucite

Microlite

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Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

2.86-2.945.5

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

None observed

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

Mohs Hardness

6.5-75-5.5

2 10

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Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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

Pollucite and Microlite Chemical Formula

While comparing Pollucite 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 Pollucite and Microlite chemical formula.

Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare White Gemstones

Pollucite Vs Whitlockite

Pollucite Vs Witherite

Pollucite Vs Xonotlite

Pollucite and Microlite Specific Gravity

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