Rhodolite and Zoisite Physical Properties

Rhodolite

Zoisite

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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

3.843.20-3.50

1 7.18

1.5 Fracture

Conchoidal

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

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 Zoisite Chemical Formula

While comparing Rhodolite and Zoisite 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 Zoisite chemical formula.

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

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Rhodolite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.