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Gedrite
Gedrite

Brucite
Brucite



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Gedrite
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Brucite

Gedrite and Brucite Optical Properties

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1 Optical Properties
1.1 Luster
Fibrous, Vitreous
Vitreous, Pearly
1.2 Pleochroism
Weak to moderate
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
1.5 Refractive Index
1.625-1.7181.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
1.8 Birefringence
Not Available0.010-0.020
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentMichael O’Donoghue

Gedrite and Brucite Optic Character

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

Gedrite and Brucite Transparency

Similar to their colors, Gedrite 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, Gedrite is Transparent while Gedrite is Transparent in appearance.