Purpurite and Stibiotantalite Physical Properties

Purpurite

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

3.2-3.4Not Available

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[100] [001] perfect

{???} Perfect

1.7 Mohs Hardness

4-4.55.5-6

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

SbTaO 4Ulrich Henn and Claudio C.

Purpurite and Stibiotantalite Chemical Formula

While comparing Purpurite 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 Purpurite and Stibiotantalite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

Compare Violet Gemstones

Purpurite Vs Sardonyx

Purpurite Vs Sard

Purpurite Vs Sapphire

Purpurite and Stibiotantalite Specific Gravity

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