Manganotantalite and Apophyllite KF Physical Properties

Manganotantalite

Apophyllite KF

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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 Available2.33-2.37

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Not Available

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

5.5-6.54.5-5

2 10

1.8 Chemical Composition

MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Manganotantalite and Apophyllite KF Chemical Formula

While comparing Manganotantalite and Apophyllite KF 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 Manganotantalite and Apophyllite KF chemical formula.

Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Manganotantalite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Manganotantalite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.