Demantoid and Forsterite Physical Properties

Demantoid

Forsterite

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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

3.77-3.953.23-3.26

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

6.56.5-7

2 10

1.8 Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Demantoid and Forsterite Chemical Formula

While comparing Demantoid and Forsterite 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 Forsterite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Demantoid Vs Faustite

Demantoid Vs Emerald

Demantoid Vs Euclase

Demantoid and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.