×

Hackmanite
Hackmanite

Esperite
Esperite



ADD
Compare
X
Hackmanite
X
Esperite

Hackmanite and Esperite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
OpaqueAnthony et al, Opaque, Transparent
1.5 Refractive Index
1.483-1.4871.760-1.774
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.012
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueAnthony et al

Hackmanite and Esperite Optic Character

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

Hackmanite and Esperite Transparency

Similar to their colors, Hackmanite and Esperite 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, Hackmanite is Gemmological Tables (2004) while Hackmanite is Gemmological Tables (2004) in appearance.