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Astrophyllite
Astrophyllite

Cerussite
Cerussite



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Astrophyllite
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Cerussite

Astrophyllite and Cerussite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Pearly
Adamantine, Vitreous, Resinous
1.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
AbsentWalter Schumann
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.678-1.7581.803-2.078
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.0500.273
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Astrophyllite and Cerussite Optic Character

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

Similar to their colors, Astrophyllite and Cerussite 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.