Vivianite and Simpsonite Physical Properties

Vivianite

Simpsonite

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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

2.64-2.70Not Available

1 7.18

1.5 Fracture

(e.g. graphite).

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

{010} Perfect

None

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Vivianite and Simpsonite Chemical Formula

While comparing Vivianite and Simpsonite 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 Simpsonite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Vivianite and Simpsonite Specific Gravity

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