Rhodolite and Sardonyx Physical Properties

Rhodolite

Sardonyx

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.55-2.70

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

none, may show indistinct parting

Not Available

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

SiO 2Ulrich Henn and Claudio C.

Rhodolite and Sardonyx Chemical Formula

While comparing Rhodolite and Sardonyx 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 Rhodolite and Sardonyx chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Compare Red Gemstones

Rhodolite Vs Sardonyx

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Rhodolite Vs Sard

Rhodolite and Sardonyx Specific Gravity

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