Staurolite and Verdite Physical Properties

Staurolite

Verdite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.82.80-3.0

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

Distinct on {010}

{110} Good

1.7 Mohs Hardness

7-7.53

2 10

1.8 Chemical Composition

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

NaFeS2•2(H2O)

Staurolite and Verdite Chemical Formula

While comparing Staurolite and Verdite 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 Verdite chemical formula.

Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Verdite- NaFeS2•2(H2O)

Compare Brown Gemstones

Staurolite Vs Tourmaline

Staurolite Vs Verdelite

Staurolite Vs Triplite

Staurolite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.