Forsterite and Sanidine Physical Properties

Forsterite

Sanidine

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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

3.23-3.262.54-2.61

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {010} imperfect on {100}

{001} Perfect, {010} Good

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Forsterite and Sanidine Chemical Formula

While comparing Forsterite and Sanidine 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 Sanidine chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Forsterite Vs Grandidierite

Forsterite Vs Hackmanite

Forsterite Vs Grossular

Forsterite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.