Vivianite and Gyrolite Physical Properties

Vivianite

Gyrolite

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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

2.64-2.702.48

1 7.18

1.5 Fracture

(e.g. graphite).

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{010} Perfect

Perfect on {001}

1.7 Mohs Hardness

Not Available2

2 10

1.8 Chemical Composition

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

NaCa16Si23AlO60(OH)8•64(H2O)

Vivianite and Gyrolite Chemical Formula

While comparing Vivianite and Gyrolite 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 Gyrolite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(H2O)

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Vivianite and Gyrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Gyrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Gyrolite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.48 whereas that of Gyrolite is 2.48.