Charlesite and Demantoid Physical Properties

Charlesite

Demantoid

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.793.77-3.95

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on {10bar10}

Not Available

1.7 Mohs Hardness

2.56.5

2 10

1.8 Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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

Charlesite and Demantoid Chemical Formula

While comparing Charlesite and Demantoid 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 Charlesite and Demantoid chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Charlesite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.