Uvite and Powellite Physical Properties

Uvite

Powellite

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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

2.97-3.144.23

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

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

1.6 Cleavage

{1011} Indistinct

{111} Distinct

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Powellite Chemical Formula

While comparing Uvite and Powellite 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 Uvite and Powellite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Uvite Vs Wulfenite

Uvite Vs Yttrium Aluminium Garnet

Uvite Vs Willemite

Uvite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Uvite is 4.23 whereas that of Powellite is 4.23.