Pleonast and Staurolite Physical Properties

Pleonast

Staurolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.7-3.8

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Distinct on {010}

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

Not Available

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

Pleonast and Staurolite Chemical Formula

While comparing Pleonast and Staurolite 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 Pleonast and Staurolite chemical formula.

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

Compare Blue Gemstones

Pleonast Vs Star diopside

Pleonast Vs Azure malachite

Pleonast Vs Blue gold

Pleonast and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonast and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonast and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Pleonast is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.