Hypersthene and Vivianite Physical Properties

Hypersthene

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

3.45-3.552.64-2.70

1 7.18

1.5 Fracture

Uneven

(e.g. graphite).

1.6 Cleavage

{100} Perfect, {010} Perfect

{010} Perfect

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

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

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

Hypersthene and Vivianite Chemical Formula

While comparing Hypersthene 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 Hypersthene and Vivianite chemical formula.

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

Compare Black Gemstones

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Hypersthene and Vivianite Specific Gravity

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