Emerald and Chrysocolla Physical Properties

Emerald

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.78

2.00-2.45

1.5 Fracture

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

Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Imperfect on the [0001]

none

1.7 Mohs Hardness

7.5-8

2-4

1.8 Chemical Composition

Be₃Al₂SiO₆

Cu₂H₂Si₂O₅(OH)₄

Emerald and Chrysocolla Chemical Formula

While comparing Emerald and Chrysocolla 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 Emerald and Chrysocolla chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Emerald and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.