Fuchsite and Spinel Physical Properties

Fuchsite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.77-2.883.64-3.66

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect basal

None, but may exhibit slight parting

1.7 Mohs Hardness

2.58

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

MgAl₂O₄

Fuchsite and Spinel Chemical Formula

While comparing Fuchsite and Spinel 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 Fuchsite and Spinel chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Spinel- MgAl₂O₄

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Fuchsite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.