Pleonaste and Goshenite Physical Properties

Pleonaste

Goshenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.802.60-2.90

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

3,1 basal

1.7 Mohs Hardness

87.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Pleonaste and Goshenite Chemical Formula

While comparing Pleonaste and Goshenite 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 Goshenite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Goshenite- Be₃Al₂SiO₆

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Pleonaste and Goshenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Goshenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Goshenite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.60-2.90 whereas that of Goshenite is 2.60-2.90.