Hurlbutite and Ruby Physical Properties

Hurlbutite

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

2.903.97-4.05

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

None

No true cleavage

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Al ₂ O ₃

Hurlbutite and Ruby Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Ruby chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ruby- Al ₂ O ₃

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Hurlbutite and Ruby Specific Gravity

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