Charlesite and Chrome-Chalcedony Physical Properties

Charlesite

Chrome-Chalcedony

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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

1.792.55-2.70

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on {10bar10}

Not Available

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)

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Charlesite and Chrome-Chalcedony Chemical Formula

While comparing Charlesite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Charlesite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.