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Anorthoclase
Anorthoclase

Cassiterite
Cassiterite



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Anorthoclase
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Cassiterite

Anorthoclase and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine, Greasy
1.2 Pleochroism
WeakMichael O’Donoghue
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
NA0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.518-1.5341.990-2.105
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
tetragonal
1.8 Birefringence
0.006-0.0080.096-0.098
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Anorthoclase and Cassiterite Optic Character

Anorthoclase and Cassiterite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anorthoclase and Cassiterite 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 Cassiterite 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 Cassiterite Transparency

Similar to their colors, Anorthoclase and Cassiterite 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.