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Marialite
Marialite

Astrophyllite
Astrophyllite



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Marialite
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Astrophyllite

Marialite and Astrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly, Resinous
Greasy, Pearly
1.2 Pleochroism
Not Available
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.540-1.5501.678-1.758
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Triclinic
1.8 Birefringence
0.004-0.0080.050
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Marialite and Astrophyllite Optic Character

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

Marialite and Astrophyllite Transparency

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