Plumbogummite and Emerald Physical Properties

Plumbogummite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

4.014

2.67-2.78

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

Imperfect on the [0001]

1.7 Mohs Hardness

4-5

7.5-8

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Plumbogummite and Emerald Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Emerald chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Plumbogummite and Emerald Specific Gravity

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