Home
Gemstones


Demantoid Garnet and Manganotantalite Optical Properties


Manganotantalite and Demantoid Garnet Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Not Available   
Sometimes strongArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
1.88-1.89   
2.19-2.34   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
0.015   

Clarity
Color grading system   
TransparentWalter Schumann   

Benefits >>
<< Physical Properties

Demantoid Garnet and Manganotantalite Optic Character

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

Similar to their colors, Demantoid Garnet and Manganotantalite 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.

Green Gemstones

Green Gemstones


Compare Green Gemstones