Dallasite and Charlesite Physical Properties

Dallasite

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

2.58-2.911.79

1 7.18

1.5 Fracture

Not Available

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on {10bar10}

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Charlesite Chemical Formula

While comparing Dallasite 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 Dallasite and Charlesite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Dallasite and Charlesite Specific Gravity

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