Nuummite and Mimetite Physical Properties

Nuummite

Mimetite

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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

3.18-3.377.10

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on 210

[10 1 1] Imperfect

1.7 Mohs Hardness

5.5-63.5

2 10

1.8 Chemical Composition

Not Available

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nuummite and Mimetite Chemical Formula

While comparing Nuummite and Mimetite 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 Mimetite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Nuummite Vs Pleonaste

Nuummite Vs Pezzottaite

Nuummite Vs Phosphosiderite

Nuummite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nuummite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nuummite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Nuummite is 7.10 whereas that of Mimetite is 7.10.