Vivianite and Piemontite Physical Properties

Vivianite

Piemontite

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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

2.64-2.70Not Available

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Splintery

1.6 Cleavage

{010} Perfect

[001] good, [100] distinct

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

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

Not Available

Vivianite and Piemontite Chemical Formula

While comparing Vivianite and Piemontite 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 Piemontite chemical formula.

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

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Vivianite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is Not Available whereas that of Piemontite is Not Available.