Ekanite and Vivianite Physical Properties

Ekanite

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

3.28-3.322.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

{101} Distinct

{010} Perfect

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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

Ekanite and Vivianite Chemical Formula

While comparing Ekanite 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 Ekanite and Vivianite chemical formula.

Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Ekanite and Vivianite Specific Gravity

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