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Apatite
Apatite

Clinohedrite
Clinohedrite



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Apatite
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Clinohedrite

Apatite and Clinohedrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly
1.2 Pleochroism
Blue stones – strong
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.628-1.6511
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Monoclinic Domatic H-M Symbol (m) Space Group: Aa
1.8 Birefringence
0.002-0.008Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Apatite and Clinohedrite Optic Character

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

Apatite and Clinohedrite Transparency

Similar to their colors, Apatite and Clinohedrite 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, Apatite is Gemmological Tables (2004) More from other references while Apatite is Gemmological Tables (2004) More from other references in appearance.