Demantoid and Sard Physical Properties

Demantoid

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

3.77-3.952.58-2.63

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.56.5-7

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

SiO 2Ulrich Henn and Claudio C.

Demantoid and Sard Chemical Formula

While comparing Demantoid 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 Demantoid and Sard chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Compare Green Gemstones

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Demantoid Vs Faustite

Demantoid and Sard Specific Gravity

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