×

Pearl
Pearl

Andesine
Andesine



ADD
Compare
X
Pearl
X
Andesine

Pearl and Andesine Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
colorless.
1.3 Dispersion
None0.70
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.52-1.661.543-1.564
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.1560.007-0.011
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Andesine Optic Character

Pearl and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pearl and Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

Pearl and Andesine Transparency

Similar to their colors, Pearl and Andesine 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.