Scapolite and Sapphire Physical Properties

Scapolite

Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.743.95-4.03

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{100} Distinct, {110} Distinct

None, but may exhibit parting

1.7 Mohs Hardness

5.5-69

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Scapolite and Sapphire Chemical Formula

While comparing Scapolite and Sapphire 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 Scapolite and Sapphire chemical formula.

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
Chemical formula of Sapphire- Al ₂ O ₃

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Scapolite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scapolite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.