Pleonaste and Moonstone Physical Properties

Pleonaste

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.802.56-2.60

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

Indistinct

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

86-6.5

2 10

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Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Pleonaste and Moonstone Chemical Formula

While comparing Pleonaste and Moonstone 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 Moonstone chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Blue Gemstones

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rock Crystal

Pleonaste Vs Rubellite

Pleonaste and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.