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Pyromorphite
Pyromorphite

Tantalite
Tantalite



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Pyromorphite
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Tantalite

Pyromorphite and Tantalite Optical Properties

1 Optical Properties
1.1 Luster
Resinous, Subadamantine
Resinous
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
2.042-2.0592.190-2.457
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.0100.083
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Pyromorphite and Tantalite Optic Character

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

Pyromorphite and Tantalite Transparency

Similar to their colors, Pyromorphite 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, Pyromorphite is Transparent while Pyromorphite is Transparent in appearance.