Charlesite and Diaspore Physical Properties

Charlesite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.793.30-3.40

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {10bar10}

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Charlesite and Diaspore Chemical Formula

While comparing Charlesite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Charlesite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.