Kutnohorite and Ruby Physical Properties

Kutnohorite

Ruby

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.123.97-4.05

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Conchoidal

Conchoidal

1.6 Cleavage

Perfect on {10 1 1}

No true cleavage

1.7 Mohs Hardness

3-49

2 10

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Kutnohorite and Ruby Chemical Formula

While comparing Kutnohorite 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 Kutnohorite and Ruby chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Kutnohorite and Ruby Specific Gravity

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