Crocoite and Purpurite Physical Properties

Crocoite

Purpurite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.90-6.103.2-3.4

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

[100] [001] perfect

1.7 Mohs Hardness

2.5-34-4.5

2 10

1.8 Chemical Composition

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

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Crocoite and Purpurite Chemical Formula

While comparing Crocoite and Purpurite 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 Purpurite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Compare Red Gemstones

Crocoite Vs Elbaite

Crocoite Vs Fire Opal

Crocoite Vs Fluorite

Crocoite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.