White Opal and Ulexite Physical Properties

White Opal

Ulexite

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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

1.98-2.501.65-1.99

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic

1.6 Cleavage

Not Available

{010} Perfect, {110} Perfect

1.7 Mohs Hardness

5.5-6.52-2.5

2 10

1.8 Chemical Composition

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

NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

White Opal and Ulexite Chemical Formula

While comparing White Opal and Ulexite 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 Ulexite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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White Opal Vs Idocrase

White Opal Vs Iolite

White Opal and Ulexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Ulexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Ulexite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 1.65-1.99 whereas that of Ulexite is 1.65-1.99.