Pleonaste and Charlesite Physical Properties

Pleonaste

Charlesite

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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

3.801.79

1 7.18

1.5 Fracture

Not Available

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on {10bar10}

1.7 Mohs Hardness

82.5

2 10

1.8 Chemical Composition

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

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Pleonaste and Charlesite Chemical Formula

While comparing Pleonaste and Charlesite 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 Charlesite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Pleonaste and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 1.79 whereas that of Charlesite is 1.79.