Vivianite and Viridine Physical Properties

Vivianite

Viridine

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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

2.64-2.703.05-3.21

1 7.18

1.5 Fracture

(e.g. graphite).

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect

Not Available

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,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)

Vivianite and Viridine Chemical Formula

While comparing Vivianite and Viridine 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 Viridine chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Viridine- (Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)

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Vivianite and Viridine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Viridine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Viridine Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.05-3.21 whereas that of Viridine is 3.05-3.21.