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Gedrite
Gedrite

Rock Crystal
Rock Crystal



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Gedrite
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Rock Crystal

Gedrite and Rock Crystal Optical Properties

1 Optical Properties
1.1 Luster
Fibrous, Vitreous
Not Available
1.2 Pleochroism
Weak to moderate
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.625-1.7181.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Not Available
1.8 Birefringence
Not Available0.009
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Gedrite and Rock Crystal Optic Character

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

Gedrite and Rock Crystal Transparency

Similar to their colors, Gedrite and Rock Crystal 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, Gedrite is Transparent while Gedrite is Transparent in appearance.