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Mimetite
Mimetite

Amblygonite
Amblygonite



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Mimetite
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Amblygonite

Mimetite and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Resinous, Subadamantine
Vitreous, Pearly
1.2 Pleochroism
Weak
weak to none
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.106-2.2631.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Hexagonal
Triclinic
1.8 Birefringence
0.0190.020-0.030
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Mimetite and Amblygonite Optic Character

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

Mimetite and Amblygonite Transparency

Similar to their colors, Mimetite and Amblygonite 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, Mimetite is Translucent while Mimetite is Translucent in appearance.