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Astrophyllite
Astrophyllite

Rutilated topaz
Rutilated topaz



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Astrophyllite
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Rutilated topaz

Astrophyllite and Rutilated topaz Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Pearly
Not Available
1.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.678-1.758Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.050Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Astrophyllite and Rutilated topaz Optic Character

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

Similar to their colors, Astrophyllite and Rutilated topaz 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.