Glaucophane and Vivianite Physical Properties

Glaucophane

Vivianite

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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

3-3.152.64-2.70

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

(e.g. graphite).

1.6 Cleavage

Good on [110] and on [001]

{010} Perfect

1.7 Mohs Hardness

6.0-6.5Not Available

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Glaucophane and Vivianite Chemical Formula

While comparing Glaucophane and Vivianite 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 Vivianite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

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Glaucophane and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.