Tanzanite and Rhodochrosite Physical Properties

Tanzanite

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.35

3.0-3.3

1.5 Fracture

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

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

6.5-7

3.5-4

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

MnCO₃

Tanzanite and Rhodochrosite Chemical Formula

While comparing Tanzanite and Rhodochrosite 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 Rhodochrosite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Rhodochrosite- MnCO₃

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Tanzanite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.