Chrysocolla and Poldervaartite Physical Properties

Chrysocolla

Poldervaartite

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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

2.00-2.452.91

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

2-4Not Available

2 10

1.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Chrysocolla and Poldervaartite Chemical Formula

While comparing Chrysocolla and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Chrysocolla and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 2.91 whereas that of Poldervaartite is 2.91.