Norbergite and Ruby Physical Properties

Norbergite

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

3.1773.97-4.05

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Conchoidal

1.6 Cleavage

{???} Distinct

No true cleavage

1.7 Mohs Hardness

6-6.59

2 10

1.8 Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Al ₂ O ₃

Norbergite and Ruby Chemical Formula

While comparing Norbergite 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 Norbergite and Ruby chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Ruby- Al ₂ O ₃

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Norbergite and Ruby Specific Gravity

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