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Creedite
Creedite

Tantalite
Tantalite



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Creedite
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Tantalite

Creedite and Tantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.461-1.4852.190-2.457
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.0240.083
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Creedite and Tantalite Optic Character

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

Creedite and Tantalite Transparency

Similar to their colors, Creedite and Tantalite 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, Creedite is Translucent and Transparent while Creedite is Translucent and Transparent in appearance.