Rhodolite and Thulite Physical Properties

Rhodolite

Thulite

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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

3.843.1

1 7.18

1.5 Fracture

Conchoidal

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none, may show indistinct parting

Perfect {010} imperfect {100}

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Ca₂Al₃(SiO₄)₃(OH)

Rhodolite and Thulite Chemical Formula

While comparing Rhodolite and Thulite 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 Rhodolite and Thulite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Rhodolite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 3.1 whereas that of Thulite is 3.1.