|
INVESTIGATIONS
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Locality |
Info |
nx min |
nx max |
ny min |
ny max |
nz min |
nz max |
Spectrum |
UVS |
UVL |
Reference |
|
Aegirine |
1.74 |
1.805 |
0.04 |
0.045 |
3.45 |
3.5 |
greenish
black |
Langesundfjord,
Norway |
opaque |
1.740 |
1.760 |
1.760 |
1.785 |
1.780 |
1.805 |
|
|
|
Zeitschrift der Deutschen Gemmologischen
Gesellschaft 1991 Apr,
p66-71 |
TABLES
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
nx min |
nx
max |
ny min |
ny max |
nz min |
nz max |
Referte |
|
Aegirine |
1.72 |
1.839 |
0.037 |
0.061 |
3.5 |
3.6 |
1.720 |
1.778 |
|
|
1.757 |
1.839 |
Tables of Gemstone Identification, Roger Dedeyn,
Ivo Quintens, 2007
|
|
Aegirine |
1.76 |
1.805 |
0.045 |
0.045 |
3.5 |
3.5 |
1.760 |
1.760 |
1.785 |
1.785 |
1.805 |
1.805 |
Gems, R Webster, 5th edition 1994
|
|
Aegirine |
1.76 |
1.805 |
0.045 |
0.045 |
3.5 |
3.5 |
1.760 |
1.760 |
1.785 |
1.785 |
1.805 |
1.805 |
Gemmological Tables, Ulrich Henn, 2004
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
|
STONE |
LOCALITIES |
REFERENCE | |||
|
Aegirine |
|
Langesundsfjorden |
Vestfold |
Norway |
Zeitschrift der Deutschen Gemmologischen
Gesellschaft, 1991, Apr, p69-71 |
CHEMICAL DATA (%)