×

Idocrase
Idocrase

Feldspar
Feldspar



ADD
Compare
X
Idocrase
X
Feldspar

Idocrase and Feldspar Optical Properties

Add ⊕

Optical Properties

Luster

-
Vitreous

Pleochroism

-
None

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.67-1.761.518-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Triclinic or monoclinic

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

-
Transparent

Idocrase and Feldspar Optic Character

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

Idocrase and Feldspar Transparency

Similar to their colors, Idocrase and Feldspar 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, Idocrase is while Idocrase is in appearance.