Home
×

Feldspar
Feldspar

Emerald
Emerald



ADD
Compare
X
Feldspar
X
Emerald

Feldspar and Emerald Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.518-1.570
1.565-1.602
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Hexagonal
1.8 Birefringence
0.008-0.010
0.0040-0.0070
1.9 Clarity
Transparent
Color grading system

Feldspar and Emerald Optic Character

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

Feldspar and Emerald Transparency

Similar to their colors, Feldspar and Emerald 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, Feldspar is Translucent and Transparent while Feldspar is Translucent and Transparent in appearance.