Tanzanite and Amazonite Physical Properties

Tanzanite

Amazonite

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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

3.35

2.55-2.57

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect {010}, imperfect {100}

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

KAlSi₃O₈

Tanzanite and Amazonite Chemical Formula

While comparing Tanzanite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Amazonite- KAlSi₃O₈

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Tanzanite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.