Demantoid and Riebeckite Physical Properties

Demantoid

Riebeckite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.953.28-3.44

1 7.18

1.5 Fracture

Not Available

Uneven, Splintery, Brittle

1.6 Cleavage

Not Available

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

6.55.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Demantoid and Riebeckite Chemical Formula

While comparing Demantoid and Riebeckite 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 Riebeckite chemical formula.

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

Compare Green Gemstones

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Demantoid Vs Euclase

Demantoid and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.