×

Staurolite
Staurolite
☒

Brazilianite
Brazilianite
☒



ADD ⊕
Compare
X
Staurolite
X
Brazilianite

Staurolite and Brazilianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.7-3.8
Subconchoidal, Conchoidal
Distinct on {010}
7-7.5
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Staurolite and Brazilianite Chemical Formula

While comparing Staurolite and Brazilianite 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 Staurolite and Brazilianite chemical formula.

    >>

Staurolite and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite Vs Brazilianite during the identification of gemstone. Specific gravity of Staurolite is whereas that of Brazilianite is .