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Adamite
Adamite

Omphacite
Omphacite



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Adamite
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Omphacite

Adamite and Omphacite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak: colorless -- very pale green -- very pale green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TranslucentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.708-1.7221.662-1.723
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.031-0.050Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentAnthony et al

Adamite and Omphacite Optic Character

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

Adamite and Omphacite Transparency

Similar to their colors, Adamite and Omphacite 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, Adamite is Transparent while Adamite is Transparent in appearance.