Crocoite and Ajoite Physical Properties

Crocoite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

5.90-6.102.96

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Perfect on {010}

1.7 Mohs Hardness

2.5-35

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Crocoite and Ajoite Chemical Formula

While comparing Crocoite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Crocoite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 2.96 whereas that of Ajoite is 2.96.