Eosphorite and Bustamite Physical Properties

Eosphorite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.083.32-3.43

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor on {100}

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

1.7 Mohs Hardness

55.5-6

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Eosphorite and Bustamite Chemical Formula

While comparing Eosphorite and Bustamite 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 Eosphorite and Bustamite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Eosphorite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.