White Opal and Kyanite Physical Properties

White Opal

Kyanite

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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

1.98-2.503.53-3.65

1 7.18

1.8 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Splintery, Brittle, Metallic

1.9 Cleavage

Not Available

[100] perfect [010] imperfect with 79° angle between

1.10 Mohs Hardness

5.5-6.54-7

2 10

1.12 Chemical Composition

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

Not Available

White Opal and Kyanite Chemical Formula

While comparing White Opal and Kyanite 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 Kyanite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Blue Gemstones

White Opal Vs Iolite

White Opal Vs Idocrase

White Opal Vs Kyanite

White Opal and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Kyanite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.