Rhodolite and Sard Physical Properties

Rhodolite

Sard

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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

3.842.58-2.63

1 7.18

1.5 Fracture

Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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 Sard Chemical Formula

While comparing Rhodolite and Sard 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 Sard chemical formula.

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

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Rhodolite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Sard Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.58-2.63 whereas that of Sard is 2.58-2.63.