Pollucite and Rhodolite Physical Properties

Pollucite

Rhodolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Readily soluble in HF

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.86-2.943.84

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal

1.6 Cleavage

None observed

none, may show indistinct parting

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Pollucite and Rhodolite Chemical Formula

While comparing Pollucite and Rhodolite 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 Rhodolite 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 Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Pollucite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.84 whereas that of Rhodolite is 3.84.