Pollucite and Triplite Physical Properties

Pollucite

Triplite

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Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

2.86-2.943.85-3.94

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

None observed

{010} Good, {100} Distinct

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

(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Pollucite and Triplite Chemical Formula

While comparing Pollucite and Triplite 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 Triplite 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 Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

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Pollucite and Triplite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Triplite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.85-3.94 whereas that of Triplite is 3.85-3.94.