|
INVESTIGATIONS
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Location |
Info |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
Leifite |
1.515 |
1.519 |
0.004 |
0.004 |
2.57 |
2.57 |
light
violet |
Mont Saint-Hilaire, Québec,
Canada |
|
|
|
|
|
|
may fluoresce
green |
|
The Journal of Gemmology 1996
Vol 25, N°1,p35 |
Leifite |
1.516 |
1.52 |
0.004 |
0.004 |
2.63 |
2.63 |
colourless |
Mont Saint-Hilaire, Québec,
Canada |
0.03 ct,
transparent |
|
|
|
|
|
|
|
Zeitschrift der Deutschen Gemmologischen
Gesellschaft 1994 Dez, p138-139 |
Leifite |
1.517 |
1.522 |
0.005 |
0.005 |
2.62 |
2.62 |
light purplish
pink |
Mont Saint-Hilaire, Québec,
Canada |
2.30 ct |
|
|
|
|
none |
inert |
inert |
Gems & Gemology 1995 Spring,
p67 |
TABLES
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
Leifite |
1.51 |
1.522 |
0.01 |
0.01 |
2.56 |
2.58 |
1.520 |
1.522 |
1.510 |
1.512 |
http://www.geminterest.com
|
Leifite |
1.511 |
1.522 |
0.004 |
0.01 |
2.57 |
2.63 |
1.519 |
1.522 |
1.511 |
1.518 |
Tables of Gemstone
Identification, Roger Dedeyne, Ivo Quintens, 2007
|
Leifite |
1.514 |
1.52 |
0.003 |
0.006 |
2.55 |
2.63 |
|
|
|
|
Gemmo.eu 2013
|
Leifite |
1.516 |
1.52 |
0.004 |
0.004 |
2.63 |
2.63 |
1.520 |
1.520 |
1.516 |
1.516 |
Gemmological Tables, Ulrich Henn, 2004
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
Inclusion |
Stone |
Reference |
aegirine |
Leifite |
Zeitschrift der Deutschen Gemmologischen
Gesellschaft, 1994, Dez,
p138-139 |
LOCALITIES
STONE |
REFERENCE |
Leifite |
The Journal of Gemmology 1996
Vol 25, N°1,p35 |
CHEMICAL DATA (%)
Stone |
Colour |
Locality |
Reference |
SiO2 |
Al2O3 |
Na2O | |
Leifite |
|
Mont Saint-Hilaire,
Quebec |
Canada |
Zeitschrift der deutschen gemmologischen
Gesellschaft, 1994, Dez, p139 |
75.45 |
9.03 |
13.69 |