Boulder Opal and Garnet Physical Properties

Boulder Opal

Garnet

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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

1.98-2.253.55-4.33

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

5-6.56.5-7.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Garnet is a series of several different minerals with unique chemical formulas.

Boulder Opal and Garnet Chemical Formula

While comparing Boulder Opal and Garnet 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 Garnet chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.

Compare Blue Gemstones

Boulder Opal Vs Chrysocolla

Boulder Opal Vs Chrome-Chalcedony

Boulder Opal Vs Chrome Tourmaline

Boulder Opal and Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Garnet Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.55-4.33 whereas that of Garnet is 3.55-4.33.