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Lepidocrocite
Lepidocrocite

Stibiotantalite
Stibiotantalite



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Lepidocrocite
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Stibiotantalite

Lepidocrocite and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Strong; X = colorless to yellow; Y = orange
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.9402.37-2.45
Agate Opal
1 3.25
1.8 Optic Character
Not Available
Not Available
1.9 Crystal System
Orthorhombic
Not Available
1.10 Birefringence
Not Available0.08
Achroite
0 0.296
1.14 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Lepidocrocite and Stibiotantalite Optic Character

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

Lepidocrocite and Stibiotantalite Transparency

Similar to their colors, Lepidocrocite and Stibiotantalite 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, Lepidocrocite is Not Available while Lepidocrocite is Not Available in appearance.