Falcons Eye and Vivianite Physical Properties

Falcons Eye

Vivianite

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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

2.58-2.642.64-2.70

1 7.18

1.5 Fracture

Gemstones of the world (2001)

(e.g. graphite).

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

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

Falcons Eye and Vivianite Chemical Formula

While comparing Falcons Eye and Vivianite 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 Falcons Eye and Vivianite chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Falcons Eye and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Falcons Eye and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Falcons Eye and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Falcons Eye is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.