Vivianite and Glaucophane Physical Properties

Vivianite

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

2.64-2.703-3.15

1 7.18

1.5 Fracture

(e.g. graphite).

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{010} Perfect

Good on [110] and on [001]

1.7 Mohs Hardness

Not Available6.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Vivianite and Glaucophane Chemical Formula

While comparing Vivianite 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 Vivianite and Glaucophane chemical formula.

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

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Vivianite and Glaucophane Specific Gravity

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