Bornite and Celestine Physical Properties

Bornite

Celestine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

3.90-4.00

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Poor on [111].

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

3-3.25

3-3.5

1.8 Chemical Composition

Cu5FeS4

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bornite and Celestine Chemical Formula

While comparing Bornite and Celestine 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 Celestine chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bornite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.