Tanzanite and Albite Physical Properties

Tanzanite

Albite

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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

2.60-2.65

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Perfect {010}, imperfect {100}

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Tanzanite and Albite Chemical Formula

While comparing Tanzanite and Albite 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 Albite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tanzanite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Albite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.60-2.65 whereas that of Albite is 2.60-2.65.