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Anhydrite
Anhydrite

Pyromorphite
Pyromorphite



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Anhydrite
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Pyromorphite

Anhydrite and Pyromorphite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Resinous, Subadamantine
1.2 Pleochroism
For violet varieties
Weak
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.570-1.614
2.042-2.059
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.042-0.044
0.010
1.9 Clarity
Transparent
Transparent

Anhydrite and Pyromorphite Optic Character

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

Anhydrite and Pyromorphite Transparency

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