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Achroite
Achroite

Oligoclase
Oligoclase



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Achroite
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Oligoclase

Achroite and Oligoclase Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.614-1.6661.538-1.550
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.014-0.0400.010
Ammolite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Achroite and Oligoclase Optic Character

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

Achroite and Oligoclase Transparency

Similar to their colors, Achroite and Oligoclase 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, Achroite is Translucent and Transparent while Achroite is Translucent and Transparent in appearance.