Demantoid Garnet and Antigorite Optical Properties

Demantoid Garnet

Antigorite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

Not Available

pale greenish yellow.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Translucent

1.5 Refractive Index

1.88-1.891.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Monoclinic Domatic H-M Symbol (m) Space Group: Cm

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Color grading system

Translucent

Demantoid Garnet and Antigorite Optic Character

Demantoid Garnet and Antigorite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Demantoid Garnet and Antigorite 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 Antigorite 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 Tsavorite Garnet

Demantoid Garnet Vs Zultanite

Demantoid Garnet and Antigorite Transparency

Similar to their colors, Demantoid Garnet and Antigorite 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.