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Anhydrite
Anhydrite

Sunstone
Sunstone



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Anhydrite
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Sunstone

Anhydrite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous
1.2 Pleochroism
For violet varieties
Weak or absentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.570-1.6141.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.042-0.0440.007-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Anhydrite and Sunstone Optic Character

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

Anhydrite and Sunstone Transparency

Similar to their colors, Anhydrite and Sunstone 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.