White Opal and Marialite Physical Properties

White Opal

Marialite

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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

1.98-2.502.50

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

Distinct on {100} and {110}

1.7 Mohs Hardness

5.5-6.55.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

White Opal and Marialite Chemical Formula

While comparing White Opal and Marialite 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 Marialite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

White Opal Vs Iolite

White Opal Vs Idocrase

White Opal Vs Kyanite

White Opal and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Marialite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 2.50 whereas that of Marialite is 2.50.