Glaucophane and Peridot Physical Properties

Glaucophane

Peridot

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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

3-3.151.54-1.55

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal

1.6 Cleavage

Good on [110] and on [001]

Poor

1.7 Mohs Hardness

6.0-6.56.5-7

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

(Mg,Fe)₂SiO₄

Glaucophane and Peridot Chemical Formula

While comparing Glaucophane and Peridot 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 Glaucophane and Peridot chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Glaucophane and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Peridot Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 1.54-1.55 whereas that of Peridot is 1.54-1.55.