Thaumasite and Staurolite Physical Properties

Thaumasite

Staurolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

1.91

Subconchoidal, Conchoidal

Indistinct

3.5

Ca 6Si 2(CO 3) 2(SO 4) 2(OH) 12 · 24H 2OUlrich Henn and Claudio C.

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.

Thaumasite and Staurolite Chemical Formula

While comparing Thaumasite 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 Thaumasite and Staurolite chemical formula.

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Thaumasite and Staurolite Specific Gravity

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