Powellite and Vivianite Physical Properties

Powellite

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

4.232.64-2.70

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

(e.g. graphite).

1.6 Cleavage

{111} Distinct

{010} Perfect

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

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

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

Powellite and Vivianite Chemical Formula

While comparing Powellite 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 Powellite and Vivianite chemical formula.

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

Compare Blue Gemstones

Powellite Vs Rock Crystal

Powellite Vs Sanidine

Powellite Vs Rubellite

Powellite and Vivianite Specific Gravity

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