Tanzanite and Rhodolite Physical Properties

Tanzanite

Rhodolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.353.84

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal

1.6 Cleavage

Perfect {010}, imperfect {100}

none, may show indistinct parting

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(Mg,Fe)₃Al₂Si₃O₁₂

Tanzanite and Rhodolite Chemical Formula

While comparing Tanzanite 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 Tanzanite and Rhodolite chemical formula.

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

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Tanzanite and Rhodolite Specific Gravity

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