Boulder Opal and Albite Physical Properties

Boulder Opal

Albite

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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

1.98-2.252.60-2.65

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Not Available

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

5-6.56-6.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Boulder Opal and Albite Chemical Formula

While comparing Boulder Opal and Albite 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 Boulder Opal and Albite chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Boulder Opal Vs Chrome-Chalcedony

Boulder Opal Vs Chrome Tourmaline

Boulder Opal and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Albite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.60-2.65 whereas that of Albite is 2.60-2.65.