Charlesite and Gahnospinel Physical Properties

Charlesite

Gahnospinel

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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

1.793.65-4.55

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {10bar10}

None, but may exhibit slight parting

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

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

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Charlesite and Gahnospinel Chemical Formula

While comparing Charlesite and Gahnospinel 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 Gahnospinel chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Charlesite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.