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Clinochlore
Clinochlore

Apatite
Apatite



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Clinochlore and Apatite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous
1.2 Pleochroism
Distinct: light yellow-green to light bluE
Blue stones – strong
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 27 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.571-1.597
1.628-1.651
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Hexagonal
1.8 Birefringence
Not Available
0.002-0.008
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Clinochlore and Apatite Optic Character

Clinochlore and Apatite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Clinochlore and Apatite 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 Clinochlore and Apatite 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. Clinochlore has Biaxial/+ character.

Clinochlore and Apatite Transparency

Similar to their colors, Clinochlore and Apatite 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, Clinochlore is Transparent while Clinochlore is Transparent in appearance.