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Brucite and Sanidine Optical Properties


Sanidine and Brucite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
Not Available   
WeakMichael O’Donoghue   

Dispersion
Not Available   
Not Available   

Transparency
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)   
Transparent   

Refractive Index
1.56-1.60   
1.518-1.536   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.010-0.020   
0.005-0.008   

Clarity
TransparentMichael O’Donoghue   
Transparent   

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Brucite and Sanidine Optic Character

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

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Brucite and Sanidine Transparency

Similar to their colors, Brucite and Sanidine 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.

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