Celestine and Gahnite Physical Properties

Celestine

Gahnite

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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

3.90-4.004.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

3-3.57.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Celestine and Gahnite Chemical Formula

While comparing Celestine and Gahnite 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 Celestine and Gahnite chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Celestine and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.