Glaucophane and Holmquistite Physical Properties

Glaucophane

Holmquistite

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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

3-3.152.95-3.13

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Not Available

1.6 Cleavage

Good on [110] and on [001]

{210} Perfect

1.7 Mohs Hardness

6.0-6.55-6

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Glaucophane and Holmquistite Chemical Formula

While comparing Glaucophane and Holmquistite 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 Holmquistite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Glaucophane and Holmquistite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.