Fluorite and Goethite Optical Properties

Fluorite

Goethite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

AbsentWalter Schumann

VisibleArthur Thomas

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemstones (2009)

1.5 Refractive Index

1.432-1.4362.26-2.398

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Orthorhombic

1.8 Birefringence

Not Available0.138

0 0.296

1.9 Clarity

Transparent

Gemstones (2009)

Fluorite and Goethite Optic Character

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

Fluorite Vs Opal

Fluorite Vs Spinel

Fluorite and Goethite Transparency

Similar to their colors, Fluorite and Goethite 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.