Vivianite and Stichtite Physical Properties

Vivianite

Stichtite

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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

2.64-2.702.11-2.20

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

Perfect on {0001}

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

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

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Stichtite Chemical Formula

While comparing Vivianite and Stichtite 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 Stichtite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Vivianite and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.