Hureaulite and Emerald Physical Properties

Hureaulite

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

3.192.67-2.78

1 7.18

1.5 Fracture

Brittle, Uneven

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

1.6 Cleavage

{???} Distinct

Imperfect on the [0001]

1.7 Mohs Hardness

3.57.5-8

2 10

1.8 Chemical Composition

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

Be₃Al₂SiO₆

Hureaulite and Emerald Chemical Formula

While comparing Hureaulite 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 Hureaulite and Emerald chemical formula.

Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Hureaulite and Emerald Specific Gravity

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