Herderite and Stibiotantalite Physical Properties

Herderite

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

2.90-3.02Not Available

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

Indistinct on {110}

{???} Perfect

1.7 Mohs Hardness

5-5.55.5-6

2 10

1.8 Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

SbTaO 4Ulrich Henn and Claudio C.

Herderite and Stibiotantalite Chemical Formula

While comparing Herderite 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 Herderite and Stibiotantalite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Herderite and Stibiotantalite Specific Gravity

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