Bustamite and Apophyllite Physical Properties

Bustamite

Apophyllite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partly soluble in HCl.

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Bustamite and Apophyllite Chemical Formula

While comparing Bustamite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Bustamite Vs Chrome-Chalcedony

Bustamite Vs Chondrodite

Bustamite Vs Chambersite

Bustamite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.