Fuchsite and Zoisite Physical Properties

Fuchsite

Zoisite

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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

2.77-2.883.20-3.50

1 7.18

1.5 Fracture

Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

1.6 Cleavage

Perfect basal

Perfect {010} imperfect {100}

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Fuchsite and Zoisite Chemical Formula

While comparing Fuchsite and Zoisite 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 Zoisite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Fuchsite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.