Humite and Ruby Physical Properties

Humite

Ruby

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.323.97-4.05

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Poor

No true cleavage

1.7 Mohs Hardness

6-6.59

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

Al ₂ O ₃

Humite and Ruby Chemical Formula

While comparing Humite 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 Humite and Ruby chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Ruby- Al ₂ O ₃

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Humite and Ruby Specific Gravity

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