Ruby and Fuchsite Physical Properties

Ruby

Fuchsite

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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

3.97-4.052.77-2.88

1 7.18

1.5 Fracture

Conchoidal

Uneven

1.6 Cleavage

No true cleavage

Perfect basal

1.7 Mohs Hardness

92.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Fuchsite Chemical Formula

While comparing Ruby 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 Ruby and Fuchsite chemical formula.

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

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Ruby and Fuchsite Specific Gravity

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