Ettringite and Stibiotantalite Physical Properties

Ettringite

Stibiotantalite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partially soluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.77Not Available

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {10 1 0}

{???} Perfect

1.7 Mohs Hardness

2-2.55.5-6

2 10

1.8 Chemical Composition

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

SbTaO 4Ulrich Henn and Claudio C.

Ettringite and Stibiotantalite Chemical Formula

While comparing Ettringite 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 Ettringite and Stibiotantalite chemical formula.

Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Ettringite and Stibiotantalite Specific Gravity

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