Calcite Satin Spar and Boulder Opal Physical Properties

Calcite Satin Spar

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

2.67-2.73

1.98-2.25

1.5 Fracture

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

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

Not Available

5-6.5

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

SiO 2 + H 2OUlrich Henn and Claudio C.

Calcite Satin Spar and Boulder Opal Chemical Formula

While comparing Calcite Satin Spar 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 Calcite Satin Spar and Boulder Opal chemical formula.

Chemical formula of Calcite Satin Spar- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Calcite Satin Spar and Boulder Opal Specific Gravity

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