Forsterite and Brookite Physical Properties

Forsterite

Brookite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.23-3.263.87-4.14

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {010} imperfect on {100}

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Forsterite and Brookite Chemical Formula

While comparing Forsterite and Brookite 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 Brookite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Forsterite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.