Amethyst and Celestine Physical Properties

Amethyst

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.90-4.00

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

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

1.7 Mohs Hardness

73-3.5

2 10

1.8 Chemical Composition

SiO₂

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

Amethyst and Celestine Chemical Formula

While comparing Amethyst 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 Amethyst and Celestine chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amethyst and Celestine Specific Gravity

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