Fuchsite and Ruby Physical Properties

Fuchsite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.77-2.883.97-4.05

1 7.18

1.5 Fracture

Uneven

Conchoidal

1.6 Cleavage

Perfect basal

No true cleavage

1.7 Mohs Hardness

2.59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Fuchsite and Ruby Chemical Formula

While comparing Fuchsite and Ruby 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 Ruby chemical formula.

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

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Fuchsite Vs Hackmanite

Fuchsite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.