Home
×

Omphacite
Omphacite

Thulite
Thulite



ADD
Compare
X
Omphacite
X
Thulite

Omphacite and Thulite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak: colorless -- very pale green -- very pale green
Present
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
1.5 Refractive Index
1.662-1.723
1.695
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available
0.006-0.018
1.9 Clarity
TranslucentAnthony et al
OpaqueHerve Nicolas Lazzarelli

Omphacite and Thulite Optic Character

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

Omphacite and Thulite Transparency

Similar to their colors, Omphacite and Thulite 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, Omphacite is Handbook of mineralogy (2001) and TranslucentAnthony et al while Omphacite is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.