Melanite and Stibiotantalite Physical Properties

Melanite

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

3.70-4.10Not Available

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

{???} Perfect

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SbTaO 4Ulrich Henn and Claudio C.

Melanite and Stibiotantalite Chemical Formula

While comparing Melanite 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 Melanite and Stibiotantalite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

Compare Black Gemstones

Melanite Vs Quartz

Melanite Vs Pyrargyrite

Melanite Vs Proustite

Melanite and Stibiotantalite Specific Gravity

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