Bustamite and Thulite Physical Properties

Bustamite

Thulite

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

3.32-3.433.1

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect {010} imperfect {100}

1.7 Mohs Hardness

5.5-66-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Bustamite and Thulite Chemical Formula

While comparing Bustamite and Thulite 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 Thulite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

Compare Red Gemstones

Bustamite Vs Chrome-Chalcedony

Bustamite Vs Chondrodite

Bustamite Vs Chambersite

Bustamite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 3.1 whereas that of Thulite is 3.1.