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Calcite
Calcite

Adularia
Adularia



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Calcite
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Adularia

Calcite and Adularia Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentArthur Thomas, Gemstones (2009)
1.5 Refractive Index
1.486-1.6581.518-1.536
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.154-0.1740.005-0.008
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentArthur Thomas

Calcite and Adularia Optic Character

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

Calcite and Adularia Transparency

Similar to their colors, Calcite and Adularia 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, Calcite is Translucent and Transparent while Calcite is Translucent and Transparent in appearance.