Pleonaste and Adamite Physical Properties

Pleonaste

Adamite

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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

3.804.32-4.48

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

{101}, good; {010}, poor

1.7 Mohs Hardness

83.5

2 10

1.8 Chemical Composition

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

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Pleonaste and Adamite Chemical Formula

While comparing Pleonaste and Adamite 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 Adamite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Compare Blue Gemstones

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste Vs Rubellite

Pleonaste and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Adamite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 4.32-4.48 whereas that of Adamite is 4.32-4.48.