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Prase
Prase

Spessartine
Spessartine



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Prase
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Spessartine

Prase and Spessartine Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.5531.789-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
0.0090.027
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Prase and Spessartine Optic Character

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

Prase and Spessartine Transparency

Similar to their colors, Prase and Spessartine 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, Prase is Translucent and Transparent while Prase is Translucent and Transparent in appearance.