×

Pearl
Pearl

Sapphirine
Sapphirine



ADD
Compare
X
Pearl
X
Sapphirine

Pearl and Sapphirine Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent
1.5 Refractive Index
1.52-1.661.701-1.724
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.1560.005-0.007
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Sapphirine Optic Character

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

Pearl and Sapphirine Transparency

Similar to their colors, Pearl and Sapphirine 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.