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Pleonaste
Pleonaste

Chrysoberyl
Chrysoberyl



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Pleonaste
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Chrysoberyl

Pleonaste and Chrysoberyl Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.803.69-3.81
1 7.18
👆🏻

Fracture

-
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

Indistinct
Distinct on {110}, imperfect on {010}, poor on {001}

Mohs Hardness

88.5
2 10
👆🏻

Chemical Composition

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

Pleonaste and Chrysoberyl Chemical Formula

While comparing Pleonaste and Chrysoberyl 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 Chrysoberyl chemical formula.

  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Chrysoberyl- BeAl 2 O 4

Pleonaste and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.