Stibiotantalite and Prehnite Physical Properties

Stibiotantalite

Prehnite

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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

Not Available2.80-2.95

1 7.18

1.5 Fracture

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

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

{???} Perfect

Distinct on [001]

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

Ca₂Al₂Si₃O₁₂(OH)

Stibiotantalite and Prehnite Chemical Formula

While comparing Stibiotantalite and Prehnite 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 Prehnite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

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Stibiotantalite and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.