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Dravite
Dravite

Shattuckite
Shattuckite



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Dravite
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Shattuckite

Dravite and Shattuckite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky
1.2 Pleochroism
Very strong: pale yellow colorless
X = very pale blue; Y = pale blue; Z = deep blue
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.614-1.6661.752-1.815
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Orthorhombic
1.8 Birefringence
0.014-0.0320.063
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Dravite and Shattuckite Optic Character

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

Dravite and Shattuckite Transparency

Similar to their colors, Dravite and Shattuckite 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, Dravite is Transparent while Dravite is Transparent in appearance.