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Painite
Painite

Prasiolite
Prasiolite



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Painite
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Prasiolite

Painite and Prasiolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Very weak: light green pale greenWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent, Translucent
1.5 Refractive Index
1.787-1.8161.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.0290.009
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Painite and Prasiolite Optic Character

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

Painite and Prasiolite Transparency

Similar to their colors, Painite and Prasiolite 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, Painite is Gems while Painite is Gems in appearance.