Vivianite and Elbaite Physical Properties

Vivianite

Elbaite

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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

2.64-2.702.90-3.10

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

{010} Perfect

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Vivianite and Elbaite Chemical Formula

While comparing Vivianite and Elbaite 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 Elbaite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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Vivianite and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.