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Willemite
Willemite

Ruby
Ruby



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Willemite
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Ruby

Willemite and Ruby Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.89-4.183.97-4.05
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Conchoidal
1.6 Cleavage
{0001}, {11 2 0} imperfect
No true cleavage
1.7 Mohs Hardness
5.59
Amber
2 10
1.8 Chemical Composition
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2 O 3

Willemite and Ruby Chemical Formula

While comparing Willemite and Ruby 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 Willemite and Ruby chemical formula.

  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Ruby- Al 2 O 3

Willemite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Willemite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.