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Afghanite
Afghanite

Periclase
Periclase



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Afghanite
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Periclase

Afghanite and Periclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Gemstones (2009)
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.5231.735-1.738
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.006Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Afghanite and Periclase Optic Character

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

Afghanite and Periclase Transparency

Similar to their colors, Afghanite and Periclase 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, Afghanite is Gemstones (2009) and Transparent while Afghanite is Gemstones (2009) and Transparent in appearance.