Hercynite and Chrysocolla Physical Properties

Hercynite

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

4.392.00-2.45

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

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

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

none

1.7 Mohs Hardness

7.5-82-4

2 10

1.8 Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Cu₂H₂Si₂O₅(OH)₄

Hercynite and Chrysocolla Chemical Formula

While comparing Hercynite 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 Hercynite and Chrysocolla chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Hercynite and Chrysocolla Specific Gravity

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