Rhodizite and Sylvite Physical Properties

Rhodizite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.34-3.441.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

8-8.52.5

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 Sylvite Chemical Formula

While comparing Rhodizite and Sylvite 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 Sylvite 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 Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodizite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodizite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Rhodizite is 1.993 whereas that of Sylvite is 1.993.