Ruby and Amblygonite Physical Properties

Ruby

Amblygonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.052.98-3.10

1 7.18

1.5 Fracture

Conchoidal

Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

No true cleavage

[100] Perfect, [110] Good, [011] Distinct

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Al ₂ O ₃

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Ruby and Amblygonite Chemical Formula

While comparing Ruby and Amblygonite 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 Ruby and Amblygonite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Ruby and Amblygonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.