Prehnite and Stibiotantalite Physical Properties

Prehnite

Stibiotantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.95Not Available

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on [001]

{???} Perfect

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

Ca₂Al₂Si₃O₁₂(OH)

SbTaO 4Ulrich Henn and Claudio C.

Prehnite and Stibiotantalite Chemical Formula

While comparing Prehnite 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 Prehnite and Stibiotantalite chemical formula.

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

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Prehnite and Stibiotantalite Specific Gravity

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