Glaucophane and Rossmanite Physical Properties

Glaucophane

Rossmanite

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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

3-3.153

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Brittle, Metallic

1.6 Cleavage

Good on [110] and on [001]

None

1.7 Mohs Hardness

6.0-6.5Not Available

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Glaucophane and Rossmanite Chemical Formula

While comparing Glaucophane and Rossmanite 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 Rossmanite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Glaucophane and Rossmanite Specific Gravity

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