Chlorastrolite and Rhodolite Physical Properties

Chlorastrolite

Rhodolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.53.84

1 7.18

1.5 Fracture

Granular

Conchoidal

1.6 Cleavage

Not Available

none, may show indistinct parting

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

(Mg,Fe)₃Al₂Si₃O₁₂

Chlorastrolite and Rhodolite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Rhodolite chemical formula.

Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Chlorastrolite and Rhodolite Specific Gravity

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