Afghanite and Pollucite Physical Properties

Afghanite

Pollucite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Brittle

Readily soluble in HF

2.86-2.94

Conchoidal, Uneven

None observed

6.5-7

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

Afghanite and Pollucite Chemical Formula

While comparing Afghanite and Pollucite 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 Afghanite and Pollucite chemical formula.

Compare Blue Gemstones

Afghanite Vs Glaucophane

Afghanite Vs Hauyne

Afghanite Vs Kainite

Afghanite and Pollucite Specific Gravity

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