Sunstone and Rock Crystal Optical Properties

Sunstone

Rock Crystal

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Weak or absentWalter Schumann

AbsentWalter Schumann

1.3 Dispersion

None0.01

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

1.53-1.551.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.007-0.0100.009

0 0.296

1.9 Clarity

Transparent to translucent

TransparentWalter Schumann

Sunstone and Rock Crystal Optic Character

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

Compare Gems for Leo » More

Sunstone Vs Heliodor

Sunstone Vs Pietersite

Sunstone Vs Crystal Quartz

» More

More Compare Gems for Leo

Sunstone and Rock Crystal Transparency

Similar to their colors, Sunstone and Rock Crystal 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, Sunstone is Translucent, Transparent and Transparent to translucent while Sunstone is Translucent, Transparent and Transparent to translucent in appearance.