Augelite and Celestine Physical Properties

Augelite

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.753.90-4.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

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

1.7 Mohs Hardness

4.5-53-3.5

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Augelite and Celestine Chemical Formula

While comparing Augelite 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 Augelite and Celestine chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Augelite and Celestine Specific Gravity

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