Forsterite and Rosasite Physical Properties

Forsterite

Rosasite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

3.23-3.264-4.2

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

Perfect on {010} imperfect on {100}

Perfect on {100} and {010}

1.7 Mohs Hardness

6.5-74

2 10

1.8 Chemical Composition

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

Not Available

Forsterite and Rosasite Chemical Formula

While comparing Forsterite and Rosasite 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 Rosasite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Forsterite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 4-4.2 whereas that of Rosasite is 4-4.2.