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Moldavite
Moldavite

Pleonaste
Pleonaste



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Moldavite
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Pleonaste

Moldavite and Pleonaste Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.32-2.383.80
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
-

Cleavage

None
Indistinct

Mohs Hardness

5.58
2 10
👆🏻

Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Moldavite and Pleonaste Chemical Formula

While comparing Moldavite and Pleonaste 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 Moldavite and Pleonaste chemical formula.

  • Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Moldavite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 3.80 whereas that of Pleonaste is 3.80.