×

Idocrase
Idocrase

Corundum
Corundum



ADD
Compare
X
Idocrase
X
Corundum

Idocrase and Corundum Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Adamantine, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.67-1.761.758-1.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Trigonal
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
Color grading system
Gemmological Tables (2004) More from other references

Idocrase and Corundum Optic Character

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

Similar to their colors, Idocrase and Corundum 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 Not Available while Idocrase is Not Available in appearance.