Pleonaste and Crocoite Physical Properties

Pleonaste

Crocoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.805.90-6.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

82.5-3

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Crocoite Chemical Formula

While comparing Pleonaste and Crocoite 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 Pleonaste and Crocoite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.