Londonite and Stibiotantalite Physical Properties

Londonite

Stibiotantalite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.34Not Available

1 7.18

1.5 Fracture

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

1.6 Cleavage

None

{???} Perfect

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

SbTaO 4Ulrich Henn and Claudio C.

Londonite and Stibiotantalite Chemical Formula

While comparing Londonite and Stibiotantalite 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 Londonite and Stibiotantalite chemical formula.

Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Londonite and Stibiotantalite Specific Gravity

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