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Adamite
Adamite

Purpurite
Purpurite



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Adamite
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Purpurite

Adamite and Purpurite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
NilArthur Thomas
StrongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.708-1.7221.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.031-0.0500.070
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Adamite and Purpurite Optic Character

Adamite and Purpurite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite 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 Adamite 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. Adamite has Biaxial/+ character.

Adamite and Purpurite Transparency

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