Brucite and Chrysocolla Physical Properties

Brucite

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.00-2.45

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

none

1.7 Mohs Hardness

2.52-4

2 10

1.8 Chemical Composition

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Cu₂H₂Si₂O₅(OH)₄

Brucite and Chrysocolla Chemical Formula

While comparing Brucite 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 Brucite and Chrysocolla chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Brucite Vs Chrysocolla

Brucite and Chrysocolla Specific Gravity

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