×

Sphene
Sphene

Dioptase
Dioptase



ADD
Compare
X
Sphene
X
Dioptase

Sphene and Dioptase Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak; dark emerald green
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.84-2.111.644-1.720
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
Not Available0.051-0.053
Achroite
0 0.296
1.9 Clarity
Color grading system
TranslucentHerve Nicolas Lazzarelli

Sphene and Dioptase Optic Character

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

Sphene and Dioptase Transparency

Similar to their colors, Sphene and Dioptase 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, Sphene is Not Available while Sphene is Not Available in appearance.