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Hemimorphite
Hemimorphite

Purpurite
Purpurite



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Hemimorphite
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Purpurite

Hemimorphite and Purpurite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Silky
Not Available
1.2 Pleochroism
AbsentWalter Schumann
StrongArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.614-1.6361.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0220.070
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Hemimorphite and Purpurite Optic Character

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

Hemimorphite and Purpurite Transparency

Similar to their colors, Hemimorphite and Purpurite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.