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Holmquistite
Holmquistite

Azurmalachite
Azurmalachite



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Holmquistite
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Azurmalachite

Holmquistite and Azurmalachite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Silky
1.2 Pleochroism
Strong in shades of violet when dark-colored.Anthony et al
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.622-1.6661.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
monoclinic
1.8 Birefringence
Not Available0.108-0.254
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Holmquistite and Azurmalachite Optic Character

Holmquistite and Azurmalachite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Holmquistite and Azurmalachite 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 Azurmalachite 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. Azurmalachite has Biaxial/+ character.

Holmquistite and Azurmalachite Transparency

Similar to their colors, Holmquistite and Azurmalachite 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.