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Brucite
Brucite

Simpsonite
Simpsonite



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Brucite
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Brucite and Simpsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.56-1.601.994-2.040
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.010-0.0200.046
Achroite
0 0.296
1.9 Clarity
TransparentMichael O’Donoghue
Gemmological Tables (2004) More from other references

Brucite and Simpsonite Optic Character

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

Similar to their colors, Brucite and Simpsonite 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.