Imperial Topaz and Boulder Opal Physical Properties

Imperial Topaz

Boulder Opal

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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

3.49-3.571.98-2.25

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

85-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Imperial Topaz and Boulder Opal Chemical Formula

While comparing Imperial Topaz and Boulder Opal 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 Imperial Topaz and Boulder Opal chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Imperial Topaz Vs Mimetite

Imperial Topaz Vs Microlite

Imperial Topaz Vs Marble

Imperial Topaz and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Imperial Topaz and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Imperial Topaz and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Imperial Topaz is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.