Rossmanite and Chrysocolla Physical Properties

Rossmanite

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

32.00-2.45

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

none

1.7 Mohs Hardness

Not Available2-4

2 10

1.8 Chemical Composition

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

Cu₂H₂Si₂O₅(OH)₄

Rossmanite and Chrysocolla Chemical Formula

While comparing Rossmanite 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 Rossmanite and Chrysocolla chemical formula.

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

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Rossmanite and Chrysocolla Specific Gravity

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