Chrysocolla and Foitite Physical Properties

Chrysocolla

Foitite

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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

2.00-2.453.17

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

none

None

1.7 Mohs Hardness

2-47

2 10

1.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Chrysocolla and Foitite Chemical Formula

While comparing Chrysocolla and Foitite 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 Foitite chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄
Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Chrysocolla and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Foitite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 3.17 whereas that of Foitite is 3.17.