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Clinochlore
Clinochlore

Holmquistite
Holmquistite



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Clinochlore
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Holmquistite

Clinochlore and Holmquistite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous
1.2 Pleochroism
Distinct: light yellow-green to light bluE
Strong in shades of violet when dark-colored.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.571-1.5971.622-1.666
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Clinochlore and Holmquistite Optic Character

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

Similar to their colors, Clinochlore and Holmquistite 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.