Staurolite and Pietersite Physical Properties

Staurolite

Pietersite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.8Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Distinct on {010}

Not Available

1.7 Mohs Hardness

7-7.55

2 10

1.8 Chemical Composition

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

Not Available

Staurolite and Pietersite Chemical Formula

While comparing Staurolite and Pietersite 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 Pietersite chemical formula.

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

Compare Brown Gemstones

Staurolite Vs Tourmaline

Staurolite Vs Triplite

Staurolite Vs Verdelite

Staurolite and Pietersite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Pietersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Pietersite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is Not Available whereas that of Pietersite is Not Available.