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Whitlockite
Whitlockite

Sellaite
Sellaite



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Whitlockite
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Sellaite

Whitlockite and Sellaite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
Not Available1.378-1.390
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available0.012
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Whitlockite and Sellaite Optic Character

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

Whitlockite and Sellaite Transparency

Similar to their colors, Whitlockite and Sellaite 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, Whitlockite is Transparent while Whitlockite is Transparent in appearance.