Chiastolite and Emerald Physical Properties

Chiastolite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.00-3.152.67-2.78

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

Imperfect on the [0001]

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

Be₃Al₂SiO₆

Chiastolite and Emerald Chemical Formula

While comparing Chiastolite and Emerald 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 Chiastolite and Emerald chemical formula.

Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Chiastolite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chiastolite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chiastolite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Chiastolite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.