Vivianite and Rutile Physical Properties

Vivianite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.704.20-4.30

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect

{110} good, 100 moderate, parting on {092} and {011}

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.

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Vivianite and Rutile Chemical Formula

While comparing Vivianite and Rutile 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 Rutile chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Vivianite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.