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Astrophyllite
Astrophyllite

Clinozoisite
Clinozoisite



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Astrophyllite
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Clinozoisite

Astrophyllite and Clinozoisite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Pearly
Vitreous
1.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
StrongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.678-1.7581.670-1.734
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.0500.006-0.011
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Astrophyllite and Clinozoisite Optic Character

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

Astrophyllite and Clinozoisite Transparency

Similar to their colors, Astrophyllite and Clinozoisite 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, Astrophyllite is Translucent while Astrophyllite is Translucent in appearance.