Vivianite and Mimetite Physical Properties

Vivianite

Mimetite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.707.10

1 7.18

1.5 Fracture

(e.g. graphite).

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{010} Perfect

[10 1 1] Imperfect

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

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

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Mimetite Chemical Formula

While comparing Vivianite and Mimetite 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 Mimetite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Vivianite Vs Zircon

Vivianite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 7.10 whereas that of Mimetite is 7.10.