Gahnite and Scapolite Physical Properties

Gahnite

Scapolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.622.58-2.74

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

7.5-85.5-6

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Gahnite and Scapolite Chemical Formula

While comparing Gahnite 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 Gahnite and Scapolite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
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

Compare Blue Gemstones

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Gahnite Vs Hydrogrossular

Gahnite and Scapolite Specific Gravity

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