Tigers Eye and Boulder Opal Physical Properties

Tigers Eye

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

2.58-2.64

1.98-2.25

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

6.5-7

5-6.5

1.8 Chemical Composition

SiO₂

SiO 2 + H 2OUlrich Henn and Claudio C.

Tigers Eye and Boulder Opal Chemical Formula

While comparing Tigers Eye 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 Tigers Eye and Boulder Opal chemical formula.

Chemical formula of Tigers Eye- SiO₂
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Tigers Eye and Boulder Opal Specific Gravity

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