Riebeckite and Glaucophane Physical Properties

Riebeckite

Glaucophane

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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

3.28-3.44

3-3.15

1.5 Fracture

Uneven, Splintery, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Good on [110] and on [001]

1.7 Mohs Hardness

5.0-6.0

6.0-6.5

1.8 Chemical Composition

Not Available

[ ]Na2(Mg3Al2)Si8O22(OH)2

Riebeckite and Glaucophane Chemical Formula

While comparing Riebeckite 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 Riebeckite and Glaucophane chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Riebeckite and Glaucophane Specific Gravity

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