Chrysocolla and Afghanite Physical Properties

Chrysocolla

Afghanite

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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

2.00-2.452.55-2.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

none

Perfect {10 1 0}

1.7 Mohs Hardness

2-45.5-6

2 10

1.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Chrysocolla and Afghanite Chemical Formula

While comparing Chrysocolla and Afghanite 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 Afghanite chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄
Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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Chrysocolla and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.