Shigaite and Ruby Physical Properties

Shigaite

Ruby

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.323.97-4.05

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Conchoidal

1.6 Cleavage

Perfect on {0001}

No true cleavage

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

Al ₂ O ₃

Shigaite and Ruby Chemical Formula

While comparing Shigaite 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 Shigaite and Ruby chemical formula.

Chemical formula of Ruby- Al ₂ O ₃

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Shigaite and Ruby Specific Gravity

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