White Opal and Glaucophane Physical Properties

White Opal

Glaucophane

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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

1.98-2.503-3.15

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Not Available

Good on [110] and on [001]

1.7 Mohs Hardness

5.5-6.56.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

White Opal and Glaucophane Chemical Formula

While comparing White Opal and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Compare Blue Gemstones

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White Opal Vs Idocrase

White Opal Vs Iolite

White Opal and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3-3.15 whereas that of Glaucophane is 3-3.15.