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Brucite
Brucite

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Erythrite



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Brucite and Erythrite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Subadamantine, Pearly
1.2 Pleochroism
Not Available
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
Not Available
1.5 Refractive Index
1.56-1.60
1.626-1.629
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.010-0.020
Not Available
1.9 Clarity
TransparentMichael O’Donoghue
Not Available

Brucite and Erythrite Optic Character

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

Brucite and Erythrite Transparency

Similar to their colors, Brucite and Erythrite 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, Brucite is Gems, Sixth Edition (2006) and TransparentMichael O’Donoghue while Brucite is Gems, Sixth Edition (2006) and TransparentMichael O’Donoghue in appearance.