Simpsonite and Demantoid Physical Properties

Simpsonite

Demantoid

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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

Not Available3.77-3.95

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.56.5

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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

Simpsonite and Demantoid Chemical Formula

While comparing Simpsonite 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 Simpsonite and Demantoid chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Simpsonite and Demantoid Specific Gravity

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