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Aegirine
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Datolite
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Aegirine
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Datolite
Aegirine
Datolite
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
X = emerald green
NilArthur Thomas
1.3 Dispersion
NA
0.02
Fluorite Optical Properties
▶
⊕
0.007
1
1.7 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.8 Refractive Index
1.720-1.778
1.621-1.675
Agate Opal
▶
⊕
1
3.25
1.10 Optic Character
Not Available
Not Available
1.11 Crystal System
monoclinic
monoclinic
1.12 Birefringence
0.037-0.061
0.044
Achroite
▶
⊕
0
0.296
1.13 Clarity
Gemmological Tables (2004) More from other references
Transparent
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