×

Gypsum
Gypsum

Pearl
Pearl



ADD
Compare
X
Gypsum
X
Pearl

Gypsum and Pearl Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous, Silky, Pearly, Waxy
Pearly
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Opaque
1.5 Refractive Index
1.521-1.5311.52-1.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.0100.156
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Gypsum and Pearl Optic Character

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

Gypsum and Pearl Transparency

Similar to their colors, Gypsum and Pearl 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, Gypsum is Translucent and Transparent while Gypsum is Translucent and Transparent in appearance.