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Datolite
Datolite

Lazulite
Lazulite



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Datolite
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Lazulite

Datolite and Lazulite 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
2.90-3.003.04-3.17
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
None
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
5-5.55.5
Amber
2 10
1.8 Chemical Composition
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Datolite and Lazulite Chemical Formula

While comparing Datolite and Lazulite 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 Lazulite chemical formula.

  • Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Datolite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.