Rossmanite and Glaucophane Physical Properties

Rossmanite

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

33-3.15

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

None

Good on [110] and on [001]

1.7 Mohs Hardness

Not Available6.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Rossmanite and Glaucophane Chemical Formula

While comparing Rossmanite 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 Rossmanite and Glaucophane chemical formula.

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

Compare Gems Found in America

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Rossmanite and Glaucophane Specific Gravity

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