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Lazulite
Lazulite

Jacobsite
Jacobsite



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Lazulite
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Jacobsite

Lazulite and Jacobsite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.04-3.174.76-5.03
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Conchoidal, Brittle
1.6 Cleavage
{001} Indistinct, {???} Indistinct
None
1.7 Mohs Hardness
5.55.5-6.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Lazulite and Jacobsite Chemical Formula

While comparing Lazulite and Jacobsite 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 Lazulite and Jacobsite chemical formula.

  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
  • Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Lazulite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.