White Opal and Schorl Physical Properties

White Opal

Schorl

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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

1.98-2.503.18-3.22

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

{1011} Indistinct

1.7 Mohs Hardness

5.5-6.5Not Available

2 10

1.8 Chemical Composition

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

Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

White Opal and Schorl Chemical Formula

While comparing White Opal and Schorl 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 Schorl chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Blue Gemstones

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White Opal Vs Idocrase

White Opal Vs Kyanite

White Opal and Schorl Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Schorl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Schorl Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3.18-3.22 whereas that of Schorl is 3.18-3.22.