Schorl and Moonstone Physical Properties

Schorl

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.18-3.222.56-2.60

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

{1011} Indistinct

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

Mohs Hardness

-99996-6.5

2 10

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Chemical Composition

Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Schorl and Moonstone Chemical Formula

While comparing Schorl 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 Schorl and Moonstone chemical formula.

Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Black Gemstones

Schorl Vs Pyrargyrite

Schorl Vs Proustite

Schorl Vs Melanite

Schorl and Moonstone Specific Gravity

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