Ruby and Scapolite Physical Properties

Ruby

Scapolite

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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

3.97-4.052.58-2.74

1 7.18

1.5 Fracture

Conchoidal

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery

1.6 Cleavage

No true cleavage

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

95.5-6

2 10

1.8 Chemical Composition

Al ₂ O ₃

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

Ruby and Scapolite Chemical Formula

While comparing Ruby and Scapolite 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 Scapolite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

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Ruby and Scapolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Scapolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Scapolite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.58-2.74 whereas that of Scapolite is 2.58-2.74.