Sard and Rhodolite Physical Properties

Sard

Rhodolite

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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

2.58-2.633.84

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Not Available

none, may show indistinct parting

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

(Mg,Fe)₃Al₂Si₃O₁₂

Sard and Rhodolite Chemical Formula

While comparing Sard and Rhodolite 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 Sard and Rhodolite chemical formula.

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

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Sard and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Sard is 3.84 whereas that of Rhodolite is 3.84.