Unakite and Vivianite Physical Properties

Unakite

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

2.85-3.20

2.64-2.70

1.5 Fracture

Not Available

(e.g. graphite).

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

6-7

Not Available

1.8 Chemical Composition

Not Available

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

Unakite and Vivianite Chemical Formula

While comparing Unakite 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 Unakite and Vivianite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Unakite and Vivianite Specific Gravity

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