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Brookite
Brookite

Ametrine
Ametrine



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Brookite
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Ametrine

Brookite and Ametrine Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Very weak
Not Available
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
2.583-2.7411.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.1170.009
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Brookite and Ametrine Optic Character

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

Brookite and Ametrine Transparency

Similar to their colors, Brookite and Ametrine 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, Brookite is Gemmological Tables (2004) More from other references while Brookite is Gemmological Tables (2004) More from other references in appearance.