Mellite and Bustamite Physical Properties

Mellite

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

1.58-1.603.32-3.43

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{011} Imperfect

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

1.7 Mohs Hardness

25.5-6

2 10

1.8 Chemical Composition

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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

Mellite and Bustamite Chemical Formula

While comparing Mellite 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 Mellite and Bustamite chemical formula.

Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Mellite Vs Morion

Mellite Vs Mother of Pearl

Mellite Vs Narsarsukite

Mellite and Bustamite Specific Gravity

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