Hyalite and Ettringite Physical Properties

Hyalite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available1.77

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Not Available

Perfect on {10 1 0}

1.7 Mohs Hardness

5.5-6.52-2.5

2 10

1.8 Chemical Composition

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

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Hyalite and Ettringite Chemical Formula

While comparing Hyalite and Ettringite 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 Hyalite and Ettringite chemical formula.

Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

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Hyalite Vs Moss Agate

Hyalite Vs Muscovite

Hyalite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hyalite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyalite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Hyalite is 1.77 whereas that of Ettringite is 1.77.