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Hanksite
Hanksite

Ludlamite
Ludlamite



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Ludlamite

Hanksite and Ludlamite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.481
1.653-1.693
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.020
0.038-0.044
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Hanksite and Ludlamite Optic Character

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

Hanksite and Ludlamite Transparency

Similar to their colors, Hanksite and Ludlamite 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, Hanksite is Not Available while Hanksite is Not Available in appearance.