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Stibiotantalite
Stibiotantalite

Milarite
Milarite



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Stibiotantalite
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Milarite

Stibiotantalite and Milarite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available2.52-2.60
Amber
1 7.18
2.4 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
2.5 Cleavage
{???} Perfect
{0001} Imperfect, {1120} Imperfect
2.6 Mohs Hardness
5.5-65.5-6
Amber
2 10
2.9 Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Stibiotantalite and Milarite Chemical Formula

While comparing Stibiotantalite and Milarite 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 Milarite chemical formula.

  • Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
  • Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Stibiotantalite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.