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Aegirine
Aegirine

Brucite
Brucite



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Aegirine
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Brucite

Aegirine and Brucite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Pearly
1.2 Pleochroism
X = emerald green
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
1.5 Refractive Index
1.720-1.7781.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.037-0.0610.010-0.020
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentMichael O’Donoghue

Aegirine and Brucite Optic Character

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

Aegirine and Brucite Transparency

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