Nuummite and Crocoite Physical Properties

Nuummite

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

3.18-3.375.90-6.10

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Perfect on 210

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

1.7 Mohs Hardness

5.5-62.5-3

2 10

1.8 Chemical Composition

Not Available

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

Nuummite and Crocoite Chemical Formula

While comparing Nuummite 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 Nuummite and Crocoite chemical formula.

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

Compare Green Gemstones

Nuummite Vs Pleonaste

Nuummite Vs Pezzottaite

Nuummite Vs Phosphosiderite

Nuummite and Crocoite Specific Gravity

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