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Dumortierite quartz
Dumortierite quartz

Phosphosiderite
Phosphosiderite



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Dumortierite quartz
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Phosphosiderite

Dumortierite quartz and Phosphosiderite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Pale rose-red carmine-red colorlessAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.692-1.739
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.240
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Dumortierite quartz and Phosphosiderite Optic Character

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

Dumortierite quartz and Phosphosiderite Transparency

Similar to their colors, Dumortierite quartz and Phosphosiderite 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, Dumortierite quartz is Not Available while Dumortierite quartz is Not Available in appearance.