Uvite and Willemite Physical Properties

Uvite

Willemite

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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

2.97-3.143.89-4.18

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

{1011} Indistinct

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

Not Available5.5

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)

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Uvite and Willemite Chemical Formula

While comparing Uvite and Willemite 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 Willemite 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 Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Uvite Vs Yttrium Aluminium Garnet

Uvite Vs Wulfenite

Uvite Vs Willemite

Uvite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Uvite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.