Celestine and Williamsite Physical Properties

Celestine

Williamsite

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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

3.90-4.002.51-2.63

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3-3.54

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Celestine and Williamsite Chemical Formula

While comparing Celestine and Williamsite 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 Williamsite chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Celestine and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.