Chrysocolla and Rossmanite Physical Properties

Chrysocolla

Rossmanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.00-2.453

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

none

None

1.7 Mohs Hardness

2-4Not Available

2 10

1.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Chrysocolla and Rossmanite Chemical Formula

While comparing Chrysocolla and Rossmanite 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 Rossmanite chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄
Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Chrysocolla and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 3 whereas that of Rossmanite is 3.