Anorthite and Hyalite Physical Properties

Anorthite

Hyalite

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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

2.77Not Available

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Perfect [001] good [010] poor [110]

Not Available

1.7 Mohs Hardness

6-6.55.5-6.5

2 10

1.8 Chemical Composition

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Anorthite and Hyalite Chemical Formula

While comparing Anorthite and Hyalite 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 Anorthite and Hyalite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Anorthite and Hyalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Hyalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Hyalite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is Not Available whereas that of Hyalite is Not Available.