Pollucite and Amblygonite Physical Properties

Pollucite

Amblygonite

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Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

2.86-2.942.98-3.10

1 7.18

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Fracture

Conchoidal, Uneven

Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal

Cleavage

None observed

[100] Perfect, [110] Good, [011] Distinct

Mohs Hardness

6.5-76

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

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Pollucite and Amblygonite Chemical Formula

While comparing Pollucite and Amblygonite 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 Amblygonite 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 Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare White Gemstones

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Pollucite Vs Witherite

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Pollucite and Amblygonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.