Augite and Demantoid Garnet Optical Properties

Augite

Demantoid Garnet

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Resinous

Not Available

1.2 Pleochroism

Pale green

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.671-1.7741.88-1.89

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Color grading system

Augite and Demantoid Garnet Optic Character

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

Augite Vs Boulder Opal

Augite Vs Blue John

Augite Vs Bloodstone Heliotrope

Augite and Demantoid Garnet Transparency

Similar to their colors, Augite and Demantoid Garnet 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, Augite is Translucent and Transparent while Augite is Translucent and Transparent in appearance.