Kainite and Ruby Physical Properties

Kainite

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

2.153.97-4.05

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Conchoidal

1.6 Cleavage

{001}, perfect

No true cleavage

1.7 Mohs Hardness

2.5-39

2 10

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Kainite and Ruby Chemical Formula

While comparing Kainite 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 Kainite and Ruby chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Kainite and Ruby Specific Gravity

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