Rhodizite and Kyanite Physical Properties

Rhodizite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.34-3.443.53-3.65

1 7.18

1.5 Fracture

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

Splintery, Brittle, Metallic

1.6 Cleavage

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

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

8-8.54-7

2 10

1.8 Chemical Composition

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

Not Available

Rhodizite and Kyanite Chemical Formula

While comparing Rhodizite and Kyanite 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 Rhodizite and Kyanite chemical formula.

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

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Rhodizite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodizite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodizite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Rhodizite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.