Andesine and Periclase Optical Properties

Andesine

Periclase

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

colorless.

Not Available

1.3 Dispersion

0.70NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.543-1.5641.735-1.738

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Isometric

1.8 Birefringence

0.007-0.011Not Available

0 0.296

1.9 Clarity

Transparent

TransparentWalter Schumann

Andesine and Periclase Optic Character

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

Compare Red Gemstones

Andesine Vs Bloodstone Heliotrope

Andesine Vs Black Opal

Andesine Vs Blue John

Andesine and Periclase Transparency

Similar to their colors, Andesine and Periclase 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.