Vivianite and Anglesite Physical Properties

Vivianite

Anglesite

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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

2.64-2.70

6.30-6.39

1.5 Fracture

(e.g. graphite).

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{010} Perfect

[001] good, [210] distinct

1.7 Mohs Hardness

Not Available

3-3.5

1.8 Chemical Composition

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

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Vivianite and Anglesite Chemical Formula

While comparing Vivianite and Anglesite 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 Anglesite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Vivianite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.