Rhodizite and Chalcedony Physical Properties

Rhodizite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.34-3.442.55-2.70

1 7.18

1.5 Fracture

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

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

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

Absent

1.7 Mohs Hardness

8-8.56.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Rhodizite and Chalcedony Chemical Formula

While comparing Rhodizite and Chalcedony 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 Chalcedony chemical formula.

Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chalcedony- SiO₂

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Rhodizite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodizite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodizite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Rhodizite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.