Vivianite and Hyacinth Physical Properties

Vivianite

Hyacinth

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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

2.64-2.703.93-4.73

1 7.18

1.5 Fracture

(e.g. graphite).

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

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

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Vivianite and Hyacinth Chemical Formula

While comparing Vivianite and Hyacinth 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 Hyacinth chemical formula.

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

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Vivianite and Hyacinth Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Hyacinth Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Hyacinth Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.93-4.73 whereas that of Hyacinth is 3.93-4.73.