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Mottramite
Mottramite

Chrysoprase
Chrysoprase



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Mottramite
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Chrysoprase

Mottramite and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Vitreous, Vitreous, Waxy
1.2 Pleochroism
Visible X=Y= canary yellow to greenish yellow
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
2.1701.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.1500.004
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Mottramite and Chrysoprase Optic Character

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

Mottramite and Chrysoprase Transparency

Similar to their colors, Mottramite and Chrysoprase 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, Mottramite is Not Available while Mottramite is Not Available in appearance.