Charlesite and Danburite Physical Properties

Charlesite

Danburite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.792.97-3.03

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Perfect on {10bar10}

{001} Poor

1.7 Mohs Hardness

2.57

2 10

1.8 Chemical Composition

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

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Charlesite and Danburite Chemical Formula

While comparing Charlesite and Danburite 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 Danburite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Yellow Gemstones

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Charlesite Vs Kainite

Charlesite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.