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Datolite
Datolite

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Fayalite



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Datolite and Fayalite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.00
4.392
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
None
{010} moderate, {100} imperfect
1.7 Mohs Hardness
5-5.5
6.5-7
1.8 Chemical Composition
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Datolite and Fayalite Chemical Formula

While comparing Datolite and Fayalite 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 Datolite and Fayalite chemical formula.

  • Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Datolite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 4.392 whereas that of Fayalite is 4.392.