Tanzanite and Charoite Physical Properties

Tanzanite

Charoite

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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

2.54-2.78

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}, imperfect {100}

Good in three directions

1.7 Mohs Hardness

6.5-7

5-6

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Charoite Chemical Formula

While comparing Tanzanite and Charoite 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 Charoite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tanzanite and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Charoite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.54-2.78 whereas that of Charoite is 2.54-2.78.