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Clinozoisite
Clinozoisite

Bertrandite
Bertrandite



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Clinozoisite
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Bertrandite

Clinozoisite and Bertrandite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
StrongArthur Thomas
none.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.670-1.7341.583-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
1.8 Birefringence
0.006-0.011Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentAnthony et al

Clinozoisite and Bertrandite Optic Character

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

Clinozoisite and Bertrandite Transparency

Similar to their colors, Clinozoisite and Bertrandite 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, Clinozoisite is Transparent while Clinozoisite is Transparent in appearance.