Rhodolite and Tanzanite Physical Properties

Rhodolite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.843.35

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Ca₂Al₃(SiO₄)₃(OH)

Rhodolite and Tanzanite Chemical Formula

While comparing Rhodolite and Tanzanite 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 Tanzanite chemical formula.

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

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Rhodolite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 3.35 whereas that of Tanzanite is 3.35.