Lazulite and Charlesite Physical Properties

Lazulite

Charlesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.171.79

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Perfect on {10bar10}

1.7 Mohs Hardness

5.52.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Lazulite and Charlesite Chemical Formula

While comparing Lazulite and Charlesite 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 Charlesite 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 Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Lazulite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 1.79 whereas that of Charlesite is 1.79.