Demantoid Garnet and Boulder Opal Optical Properties

Demantoid Garnet

Boulder Opal

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.88-1.891.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Color grading system

Transparent

Demantoid Garnet and Boulder Opal Optic Character

Demantoid Garnet and Boulder Opal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Demantoid Garnet and Boulder Opal 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 Demantoid Garnet and Boulder Opal 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 Green Gemstones

Demantoid Garnet Vs Tourmaline Bi Color

Demantoid Garnet Vs Zultanite

Demantoid Garnet Vs Tsavorite Garnet

Demantoid Garnet and Boulder Opal Transparency

Similar to their colors, Demantoid Garnet and Boulder Opal 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, Demantoid Garnet is Not Available while Demantoid Garnet is Not Available in appearance.