Edenite and Pleonaste Physical Properties

Edenite

Pleonaste

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.373.80

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Not Available

1.6 Cleavage

Good on (110)

Not Available

1.7 Mohs Hardness

5-68

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Pleonaste Chemical Formula

While comparing Edenite 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 Edenite and Pleonaste chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Compare Gems Found In Africa

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Edenite Vs Aegirine

Edenite and Pleonaste Specific Gravity

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