White Opal and Forsterite Physical Properties

White Opal

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

1.98-2.503.23-3.26

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

5.5-6.56.5-7

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

White Opal and Forsterite Chemical Formula

While comparing White Opal 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 White Opal and Forsterite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

White Opal Vs Idocrase

White Opal Vs Kyanite

White Opal Vs Iolite

White Opal and Forsterite Specific Gravity

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