Plumbogummite and Vivianite Physical Properties

Plumbogummite

Vivianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.64-2.70

1 7.18

1.5 Fracture

Uneven, Conchoidal

(e.g. graphite).

1.6 Cleavage

None

{010} Perfect

1.7 Mohs Hardness

4-5Not Available

2 10

1.8 Chemical Composition

Not Available

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

Plumbogummite and Vivianite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Vivianite chemical formula.

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

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Plumbogummite and Vivianite Specific Gravity

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