Rhodizite and Staurolite Physical Properties

Rhodizite

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

3.34-3.443.7-3.8

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Distinct on {010}

1.7 Mohs Hardness

8-8.57-7.5

2 10

1.8 Chemical Composition

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Rhodizite and Staurolite Chemical Formula

While comparing Rhodizite 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 Rhodizite and Staurolite chemical formula.

Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

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Rhodizite and Staurolite Specific Gravity

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