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Friedelite
Friedelite

Sunstone
Sunstone



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Friedelite
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Sunstone

Friedelite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.627-1.6631.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Triclinic
1.8 Birefringence
0.032-0.0350.007-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to translucent

Friedelite and Sunstone Optic Character

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

Friedelite and Sunstone Transparency

Similar to their colors, Friedelite 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, Friedelite is Translucent while Friedelite is Translucent in appearance.