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Siderite
Siderite

Lazulite
Lazulite



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Siderite
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Lazulite

Siderite 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
3.83-3.893.04-3.17
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {01 1 1}
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
3.5-4.55.5
Amber
2 10
1.8 Chemical Composition
Fe2+ CO 3Michael 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

Siderite and Lazulite Chemical Formula

While comparing Siderite 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 Siderite and Lazulite chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael 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

Siderite and Lazulite Specific Gravity

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