Pleonaste and Celestine Physical Properties

Pleonaste

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

3.803.90-4.00

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

83-3.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Celestine Chemical Formula

While comparing Pleonaste 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 Pleonaste and Celestine chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pleonaste and Celestine Specific Gravity

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