Crocoite and Chrysocolla Physical Properties

Crocoite

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

5.90-6.10

2.00-2.45

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

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

1.6 Cleavage

{110} Distinct, {001} Indistinct, {100} Indistinct

none

1.7 Mohs Hardness

2.5-3

2-4

1.8 Chemical Composition

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cu₂H₂Si₂O₅(OH)₄

Crocoite and Chrysocolla Chemical Formula

While comparing Crocoite 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 Crocoite and Chrysocolla chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Crocoite and Chrysocolla Specific Gravity

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