Humite and Chrysocolla Physical Properties

Humite

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.322.00-2.45

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

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

1.6 Cleavage

Poor

none

1.7 Mohs Hardness

6-6.52-4

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

Cu₂H₂Si₂O₅(OH)₄

Humite and Chrysocolla Chemical Formula

While comparing Humite 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 Humite and Chrysocolla chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Humite and Chrysocolla Specific Gravity

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