×

Hodgkinsonite
Hodgkinsonite

Andalusite
Andalusite



ADD
Compare
X
Hodgkinsonite
X
Andalusite

Hodgkinsonite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
Lavender and pale purple for transparent pink stones.Michael O’Donoghue
strongly trichroic
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent, Translucent
1.5 Refractive Index
1.720-1.7461.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.0260.009-0.010
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Hodgkinsonite and Andalusite Optic Character

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

Hodgkinsonite and Andalusite Transparency

Similar to their colors, Hodgkinsonite and Andalusite 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, Hodgkinsonite is Gems while Hodgkinsonite is Gems in appearance.