×

Coral
Coral

Brucite
Brucite



ADD
Compare
X
Coral
X
Brucite

Coral and Brucite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
1.5 Refractive Index
1.486-1.6581.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.160-0.1720.010-0.020
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentMichael O’Donoghue

Coral and Brucite Optic Character

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

Coral and Brucite Transparency

Similar to their colors, Coral 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, Coral is Translucent while Coral is Translucent in appearance.