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Anorthoclase
Anorthoclase

Manganotantalite
Manganotantalite



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Anorthoclase
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Manganotantalite

Anorthoclase and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
WeakMichael O’Donoghue
Sometimes strongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.518-1.5342.19-2.34
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Not Available
1.8 Birefringence
0.006-0.0080.015
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentWalter Schumann

Anorthoclase and Manganotantalite Optic Character

Anorthoclase and Manganotantalite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anorthoclase and Manganotantalite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Anorthoclase and Manganotantalite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Anorthoclase and Manganotantalite Transparency

Similar to their colors, Anorthoclase and Manganotantalite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Anorthoclase is Translucent while Anorthoclase is Translucent in appearance.