Rubellite and Pollucite Physical Properties

Rubellite

Pollucite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.01-3.06

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Rubellite and Pollucite Chemical Formula

While comparing Rubellite 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 Rubellite and Pollucite chemical formula.

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Rubellite Vs Serendibite

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Rubellite Vs Sillimanite

Rubellite and Pollucite Specific Gravity

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