Tanzanite and Grossular Garnet Physical Properties

Tanzanite

Grossular Garnet

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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

3.353.6

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect {010}, imperfect {100}

None

1.7 Mohs Hardness

6.5-76.5-7.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Ca₃Al₂Si₃O₁₂

Tanzanite and Grossular Garnet Chemical Formula

While comparing Tanzanite and Grossular Garnet 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 Grossular Garnet chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Tanzanite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.6 whereas that of Grossular Garnet is 3.6.