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Calcite
Calcite

Peridot
Peridot



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Calcite
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Peridot

Calcite and Peridot Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Greasy
1.2 Pleochroism
NilArthur Thomas
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.486-1.6581.64-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.154-0.1740.036
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Calcite and Peridot Optic Character

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

Similar to their colors, Calcite and Peridot 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.