×

Unakite
Unakite

Dioptase
Dioptase



ADD
Compare
X
Unakite
X
Dioptase

Unakite 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
Gemstones of the world (2001)
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.5251.644-1.720
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
Gemstones of the world (2001)
TranslucentHerve Nicolas Lazzarelli

Unakite and Dioptase Optic Character

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

Unakite and Dioptase Transparency

Similar to their colors, Unakite 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, Unakite is Gemstones of the world (2001) while Unakite is Gemstones of the world (2001) in appearance.