Orthoclase and Bustamite Physical Properties

Orthoclase

Bustamite

Add ⊕

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

2.54-2.613.32-3.43

1 7.18

1.5 Fracture

Gems, Uneven

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

1.6 Cleavage

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

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

1.7 Mohs Hardness

65.5-6

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Orthoclase and Bustamite Chemical Formula

While comparing Orthoclase 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 Orthoclase and Bustamite chemical formula.

Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Orthoclase Vs Phosphosiderite

Orthoclase Vs Phenakite

Orthoclase Vs Phosphophyllite

Orthoclase and Bustamite Specific Gravity

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