Andradite Garnet and Tanzanite Physical Properties

Andradite Garnet

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

3.8-3.9

3.35

1.5 Fracture

Not Available

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

1.6 Cleavage

None

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

6.5-7.5

6.5-7

1.8 Chemical Composition

Ca₃Fe³⁺₂Si₃O₁₂

Ca₂Al₃(SiO₄)₃(OH)

Andradite Garnet and Tanzanite Chemical Formula

While comparing Andradite Garnet 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 Andradite Garnet and Tanzanite chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Andradite Garnet and Tanzanite Specific Gravity

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