Vivianite and Colemanite Physical Properties

Vivianite

Colemanite

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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

2.64-2.702.40-2.42

1 7.18

1.5 Fracture

(e.g. graphite).

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

{010} Perfect

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

Not Available4.5

2 10

1.8 Chemical Composition

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

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Colemanite Chemical Formula

While comparing Vivianite and Colemanite 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 Colemanite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Vivianite Vs Garnet Malaia

Vivianite Vs Zircon

Vivianite Vs Fancy Diamond

Vivianite and Colemanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.