Sard and Forsterite Physical Properties

Sard

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

2.58-2.633.23-3.26

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

6.5-76.5-7

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Forsterite Chemical Formula

While comparing Sard 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 Sard and Forsterite chemical formula.

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

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Sard and Forsterite Specific Gravity

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