Stibiotantalite and Childrenite Physical Properties

Stibiotantalite

Childrenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.06-3.25

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

{???} Perfect

Poor/indistinct on {100}

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Stibiotantalite and Childrenite Chemical Formula

While comparing Stibiotantalite and Childrenite 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 Stibiotantalite and Childrenite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Stibiotantalite and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.