Carnelian and Glaucophane Physical Properties

Carnelian

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

2.58-2.64

3-3.15

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Absent

Good on [110] and on [001]

1.7 Mohs Hardness

6.5-7

6.0-6.5

1.8 Chemical Composition

SiO₂

[ ]Na2(Mg3Al2)Si8O22(OH)2

Carnelian and Glaucophane Chemical Formula

While comparing Carnelian 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 Carnelian and Glaucophane chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Carnelian and Glaucophane Specific Gravity

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