Friedelite and Ruby Physical Properties

Friedelite

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

3.06-3.193.97-4.05

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Conchoidal

1.6 Cleavage

{010} Perfect

No true cleavage

1.7 Mohs Hardness

4-59

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Al ₂ O ₃

Friedelite and Ruby Chemical Formula

While comparing Friedelite 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 Friedelite and Ruby chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Ruby- Al ₂ O ₃

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Friedelite Vs Imperial Topaz

Friedelite and Ruby Specific Gravity

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