Vivianite and Aegirine Physical Properties

Vivianite

Aegirine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.703.50-3.60

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{010} Perfect

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

Not Available6

2 10

1.8 Chemical Composition

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

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Vivianite and Aegirine Chemical Formula

While comparing Vivianite and Aegirine 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 Aegirine chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

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Vivianite and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.