Demantoid and Friedelite Physical Properties

Demantoid

Friedelite

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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

3.77-3.953.06-3.19

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

6.54-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Demantoid and Friedelite Chemical Formula

While comparing Demantoid and Friedelite 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 Friedelite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Green Gemstones

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Demantoid Vs Faustite

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Demantoid and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.