Boulder Opal and Californite Physical Properties

Boulder Opal

Californite

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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

1.98-2.253.32-3.47

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

5-6.5Not Available

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

Boulder Opal and Californite Chemical Formula

While comparing Boulder Opal and Californite 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 Californite chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Californite- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

Compare Blue Gemstones

Boulder Opal Vs Chrysocolla

Boulder Opal Vs Chrome Tourmaline

Boulder Opal Vs Chrome-Chalcedony

Boulder Opal and Californite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Californite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Californite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.32-3.47 whereas that of Californite is 3.32-3.47.