Piemontite and Emerald Physical Properties

Piemontite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

Not Available2.67-2.78

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Imperfect on the [0001]

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Piemontite and Emerald Chemical Formula

While comparing Piemontite 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 Piemontite and Emerald chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Piemontite and Emerald Specific Gravity

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