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Plumbogummite
Plumbogummite

Euclase
Euclase



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Plumbogummite
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Euclase

Plumbogummite and Euclase Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
None
Weak: colorless-(greenish) yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 23 (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.653-1.688
1.650-1.677
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
Not Available
0.019-0.025
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Plumbogummite and Euclase Optic Character

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

Plumbogummite and Euclase Transparency

Similar to their colors, Plumbogummite and Euclase 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, Plumbogummite is Not Available while Plumbogummite is Not Available in appearance.