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Holmquistite
Holmquistite

Rhodochrosite
Rhodochrosite



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Holmquistite
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Rhodochrosite

Holmquistite and Rhodochrosite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong in shades of violet when dark-colored.Anthony et al
Weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 24 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent, Opaque, Transparent to nearly opaque
1.5 Refractive Index
1.622-1.666
1.60
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 Available
0.208-0.220
1.9 Clarity
Transparent
Transparent to nearly opaque

Holmquistite and Rhodochrosite Optic Character

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

Holmquistite and Rhodochrosite Transparency

Similar to their colors, Holmquistite and Rhodochrosite 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, Holmquistite is Transparent while Holmquistite is Transparent in appearance.