Chlorite group and Boulder Opal Physical Properties

Chlorite group

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

2.6-3.31.98-2.25

1 7.18

1.5 Fracture

Lamellar

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

1.6 Cleavage

Perfect 001

Not Available

1.7 Mohs Hardness

2-2.55-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Chlorite group and Boulder Opal Chemical Formula

While comparing Chlorite group 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 Chlorite group and Boulder Opal chemical formula.

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

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Chlorite group and Boulder Opal Specific Gravity

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