Peridot and Celestine Physical Properties

Peridot

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

1.54-1.553.90-4.00

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

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

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Celestine Chemical Formula

While comparing Peridot 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 Peridot and Celestine chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Peridot and Celestine Specific Gravity

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