Tanzanite and Taaffeite Physical Properties

Tanzanite

Taaffeite

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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

3.353.60-3.61

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Perfect {010}, imperfect {100}

Imperfect/fair/absent

1.7 Mohs Hardness

6.5-78-8.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Tanzanite and Taaffeite Chemical Formula

While comparing Tanzanite and Taaffeite 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 Taaffeite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

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Tanzanite and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.