Pleonaste and Colemanite Physical Properties

Pleonaste

Colemanite

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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

3.802.40-2.42

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

84.5

2 10

1.8 Chemical Composition

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

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

Pleonaste and Colemanite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Colemanite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste and Colemanite Specific Gravity

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