Forsterite and Grossular Physical Properties

Forsterite

Grossular

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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

3.23-3.263.55-3.73

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect on {010} imperfect on {100}

none

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Forsterite and Grossular Chemical Formula

While comparing Forsterite and Grossular 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 Forsterite and Grossular chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

Forsterite Vs Grossular

Forsterite Vs Grandidierite

Forsterite Vs Hackmanite

Forsterite and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Grossular Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.55-3.73 whereas that of Grossular is 3.55-3.73.