Mimetite and Colemanite Physical Properties

Mimetite

Colemanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.40-2.42

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

[10 1 1] Imperfect

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

3.54.5

2 10

1.8 Chemical Composition

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

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Mimetite and Colemanite Chemical Formula

While comparing Mimetite and Colemanite 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 Mimetite and Colemanite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Mimetite Vs Phosphosiderite

Mimetite Vs Neptunite

Mimetite Vs Pezzottaite

Mimetite and Colemanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mimetite and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.