Pleonaste and Marialite Physical Properties

Pleonaste

Marialite

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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

3.802.50

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

Distinct on {100} and {110}

1.7 Mohs Hardness

85.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Pleonaste and Marialite Chemical Formula

While comparing Pleonaste and Marialite 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 Marialite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Pleonaste Vs Rock Crystal

Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Marialite Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.50 whereas that of Marialite is 2.50.