Uvite and Vivianite Physical Properties

Uvite

Vivianite

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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

2.97-3.142.64-2.70

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

(e.g. graphite).

1.6 Cleavage

{1011} Indistinct

{010} Perfect

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Vivianite Chemical Formula

While comparing Uvite 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 Uvite and Vivianite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Uvite Vs Willemite

Uvite Vs Wulfenite

Uvite Vs Yttrium Aluminium Garnet

Uvite and Vivianite Specific Gravity

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