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Ettringite
Ettringite

Titanite
Titanite



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Ettringite
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Titanite

Ettringite and Titanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Resinous
1.2 Pleochroism
Not Available
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.470-1.491
1.885-1.990
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.021
0.105-0.135
1.9 Clarity
Transparent
Not Available

Ettringite and Titanite Optic Character

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

Ettringite and Titanite Transparency

Similar to their colors, Ettringite and Titanite 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, Ettringite is Translucent and Transparent while Ettringite is Translucent and Transparent in appearance.