Bornite and Boulder Opal Physical Properties

Bornite

Boulder Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

1.98-2.25

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Poor on [111].

Not Available

1.7 Mohs Hardness

3-3.25

5-6.5

1.8 Chemical Composition

Cu5FeS4

SiO 2 + H 2OUlrich Henn and Claudio C.

Bornite and Boulder Opal Chemical Formula

While comparing Bornite 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 Bornite and Boulder Opal chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Bornite Vs Phlogopite

Bornite Vs Nickeline

Bornite Vs Langbeinite

Bornite and Boulder Opal Specific Gravity

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

Red Gemstones

Carnallite

Piemontite

Erythrite

Kainite

Langbeinite

Nickeline