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Ametrine
Ametrine

Orthoclase
Orthoclase



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Orthoclase

Ametrine and Orthoclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
0.01
Rank: 28 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.553
1.518-1.536
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.009
0.0050-0.0060
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Ametrine and Orthoclase Optic Character

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

Ametrine and Orthoclase Transparency

Similar to their colors, Ametrine and Orthoclase 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, Ametrine is Transparent while Ametrine is Transparent in appearance.