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Holmquistite
Holmquistite

Meionite
Meionite



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Holmquistite
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Meionite

Holmquistite and Meionite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous
1.2 Pleochroism
Strong in shades of violet when dark-colored.Anthony et al
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.622-1.6661.556-1.600
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
Not Available
1.8 Birefringence
Not Available0.024-0.037
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Holmquistite and Meionite Optic Character

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

Similar to their colors, Holmquistite and Meionite 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.