Pleonaste and Glaucophane Physical Properties

Pleonaste

Glaucophane

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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

3.803-3.15

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Not Available

Good on [110] and on [001]

1.7 Mohs Hardness

86.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Pleonaste and Glaucophane Chemical Formula

While comparing Pleonaste and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Compare Blue Gemstones

Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rubellite

Pleonaste and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 3-3.15 whereas that of Glaucophane is 3-3.15.