Shigaite and Celestine Physical Properties

Shigaite

Celestine

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.323.90-4.00

1 7.18

1.5 Fracture

Flexible Flexible fragments.

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

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

23-3.5

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Celestine Chemical Formula

While comparing Shigaite 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 Shigaite and Celestine chemical formula.

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

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Shigaite and Celestine Specific Gravity

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