Almandine and Fuchsite Physical Properties

Almandine

Fuchsite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.30

2.77-2.88

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven

1.6 Cleavage

none

Perfect basal

1.7 Mohs Hardness

7-7.5

2.5

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Almandine and Fuchsite Chemical Formula

While comparing Almandine and Fuchsite 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 Almandine and Fuchsite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Almandine and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.