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Prehnite
Prehnite

Moissanite
Moissanite



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Prehnite and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.10
Rank: 5 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.611-1.673
2.648-2.691
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
6H polytype
1.8 Birefringence
0.021-0.033
0.043
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda

Prehnite and Moissanite Optic Character

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

Prehnite and Moissanite Transparency

Similar to their colors, Prehnite and Moissanite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.