Adamite and Tanzanite Physical Properties

Adamite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

4.32-4.48

3.35

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{101}, good; {010}, poor

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

3.5

6.5-7

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Ca₂Al₃(SiO₄)₃(OH)

Adamite and Tanzanite Chemical Formula

While comparing Adamite 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 Adamite and Tanzanite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Adamite and Tanzanite Specific Gravity

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