Vivianite and Chrome Diopside Physical Properties

Vivianite

Chrome Diopside

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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

2.64-2.703.22-3.40

1 7.18

1.5 Fracture

(e.g. graphite).

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect

1,2 prismatic.

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

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

(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

Vivianite and Chrome Diopside Chemical Formula

While comparing Vivianite and Chrome Diopside 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 Chrome Diopside chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

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Vivianite and Chrome Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Chrome Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Chrome Diopside Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.22-3.40 whereas that of Chrome Diopside is 3.22-3.40.