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Ametrine
Ametrine

Hematite
Hematite



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Ametrine
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Hematite

Ametrine and Hematite Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

-
O = brownish red; E = yellowish red

Dispersion

0.010.05
0.005 1
👆🏻

Transparency

Transparent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.544-1.5532.690-3.220
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.0090.280
0 0.296
👆🏻

Clarity

Transparent
OpaqueHerve Nicolas Lazzarelli

Ametrine and Hematite Optic Character

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

Similar to their colors, Ametrine and Hematite 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.