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Brookite
Brookite

Anorthoclase
Anorthoclase



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Brookite
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Anorthoclase

Brookite and Anorthoclase Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Pearly
1.2 Pleochroism
Very weak
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
2.583-2.7411.518-1.534
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
0.1170.006-0.008
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Translucent

Brookite and Anorthoclase Optic Character

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

Similar to their colors, Brookite and Anorthoclase 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.