Charlesite and Lazulite Physical Properties

Charlesite

Lazulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.793.04-3.17

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

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

1.6 Cleavage

Perfect on {10bar10}

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

2.55.5

2 10

1.8 Chemical Composition

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

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

Charlesite and Lazulite Chemical Formula

While comparing Charlesite 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 Charlesite and Lazulite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Charlesite and Lazulite Specific Gravity

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