Fluorite and Almandine Optical Properties

Fluorite

Almandine

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Greasy, Vitreous

1.2 Pleochroism

AbsentWalter Schumann

None

1.3 Dispersion

0.010.03

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.432-1.4361.770-1.820

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Fluorite and Almandine Optic Character

Fluorite and Almandine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fluorite and Almandine 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 Fluorite and Almandine 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 Scorpio

Fluorite Vs Opal

Fluorite Vs Spinel

Fluorite Vs Ruby

Fluorite and Almandine Transparency

Similar to their colors, Fluorite and Almandine 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, Fluorite is Translucent, Transparent and Transparent to translucent while Fluorite is Translucent, Transparent and Transparent to translucent in appearance.