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Hematite
Hematite

Azurmalachite
Azurmalachite



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Hematite
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Azurmalachite

Hematite and Azurmalachite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Silky
1.2 Pleochroism
O = brownish red; E = yellowish red
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Translucent
1.5 Refractive Index
2.690-3.2201.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.2800.108-0.254
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent

Hematite and Azurmalachite Optic Character

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

Hematite and Azurmalachite Transparency

Similar to their colors, Hematite 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, Hematite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli while Hematite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli in appearance.