Tanzanite and Rhodizite Physical Properties

Tanzanite

Rhodizite

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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

3.353.34-3.44

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

6.5-78-8.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Rhodizite Chemical Formula

While comparing Tanzanite and Rhodizite 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 Rhodizite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Semi Precious Gemstones

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Tanzanite and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.