Pleonaste and Nosean Physical Properties

Pleonaste

Nosean

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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

3.802.30-2.40

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{110} Perfect

1.7 Mohs Hardness

8Not Available

2 10

1.8 Chemical Composition

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

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Pleonaste and Nosean Chemical Formula

While comparing Pleonaste and Nosean 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 Nosean chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Nosean Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.30-2.40 whereas that of Nosean is 2.30-2.40.