Bustamite and Moonstone Physical Properties

Bustamite

Moonstone

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

3.32-3.432.56-2.60

1 7.18

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Fracture

Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

{100} perfect; {110} and {1 1 0} good; {010} poor

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

Mohs Hardness

5.5-66-6.5

2 10

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Chemical Composition

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Bustamite and Moonstone Chemical Formula

While comparing Bustamite 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 Bustamite and Moonstone chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Red Gemstones

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Bustamite and Moonstone Specific Gravity

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