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Rhodochrosite
Rhodochrosite

Brucite
Brucite



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Rhodochrosite
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Brucite

Rhodochrosite and Brucite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Opaque, Transparent to nearly opaque
TransparentMichael O’Donoghue, Gems, Sixth Edition (2006)
1.5 Refractive Index
1.601.56-1.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.208-0.2200.010-0.020
Achroite
0 0.296
1.9 Clarity
Transparent to nearly opaque
TransparentMichael O’Donoghue

Rhodochrosite and Brucite Optic Character

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

Rhodochrosite and Brucite Transparency

Similar to their colors, Rhodochrosite 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, Rhodochrosite is Opaque, Transparent and Transparent to nearly opaque while Rhodochrosite is Opaque, Transparent and Transparent to nearly opaque in appearance.