Chrysocolla and Periclase Physical Properties

Chrysocolla

Periclase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.00-2.453.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

none

{001} perfect; {111} imperfect, may exhibit parting on , {011}

1.7 Mohs Hardness

2-45.5-6

2 10

1.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Chrysocolla and Periclase Chemical Formula

While comparing Chrysocolla and Periclase 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 Chrysocolla and Periclase chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Chrysocolla and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Periclase Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 3.7-3.9 whereas that of Periclase is 3.7-3.9.