Mother of Pearl and Foitite Optical Properties

Mother of Pearl

Foitite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Strong: pale lavender dark blueAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

TranslucentAnthony et al, Translucent

1.5 Refractive Index

1.53-1.69Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

1.8 Birefringence

0.16Not Available

0 0.296

1.9 Clarity

Gemmological Tables (2004)

TranslucentAnthony et al

Mother of Pearl and Foitite Optic Character

Mother of Pearl and Foitite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Mother of Pearl and Foitite 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 Mother of Pearl and Foitite 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 Cancer » More

Mother of Pearl Vs Abalone

Mother of Pearl Vs Dinosaur Bone

Mother of Pearl Vs Calcite

» More

More Compare Gems for Cancer

Mother of Pearl and Foitite Transparency

Similar to their colors, Mother of Pearl and Foitite 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, Mother of Pearl is Gemmological Tables (2004) while Mother of Pearl is Gemmological Tables (2004) in appearance.