|
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 |
Cancrinite |
1.493 |
1.499 |
0.006 |
0.006 |
2.42 |
2.44 |
light to medium blue |
Kagssortoq Fjord, Greenland |
|
|
|
|
|
absorption from 650nm up, from 440nm down |
dark red to purple |
dark violet |
Gems & Gemology 1993 summer p131 |
Cancrinite |
1.51 |
1.51 |
|
|
2.12 |
2.12 |
pale yellow |
Kola Pennisula, Russia |
43.94ct cabochon |
|
|
|
|
|
inert |
inert |
www.spec4gem.info 2018 07/10 |
TABLES
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
Cancrinite |
1.488 |
1.527 |
0.02 |
0.029 |
2.42 |
2.51 |
1.488 |
1.505 |
1.490 |
1.527 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Cancrinite |
1.488 |
1.525 |
0.019 |
0.026 |
2.4 |
2.52 |
|
|
|
|
Gemmo.eu 2019 |
Cancrinite |
1.491 |
1.524 |
0.024 |
0.029 |
2.42 |
2.5 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Cancrinite |
1.491 |
1.524 |
0.022 |
0.022 |
2.42 |
2.5 |
1.491 |
1.502 |
1.515 |
1.524 |
Gems, R Webster, 5th edition 1994 |
Cancrinite |
1.495 |
1.528 |
0.022 |
0.022 |
2.42 |
2.51 |
|
|
|
|
http://www.gemmology.be |
Cancrinite |
1.495 |
1.528 |
0.022 |
0.022 |
2.42 |
2.51 |
1.495 |
1.503 |
1.507 |
1.528 |
http://www.geminterest.com |
Cancrinite |
1.495 |
1.528 |
0.022 |
0.022 |
2.42 |
2.51 |
1.495 |
1.503 |
1.507 |
1.528 |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
Cancrinite |
1.495 |
1.529 |
0.008 |
0.022 |
2.42 |
2.51 |
1.495 |
1.503 |
1.507 |
1.529 |
Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Cancrinite |
1.498 |
1.524 |
0.026 |
0.026 |
2.5 |
2.5 |
1.498 |
1.498 |
1.524 |
1.524 |
Gemmological Tables, Ulrich Henn,
2004 |
Cancrinite |
1.51 |
1.51 |
|
|
2.42 |
2.5 |
|
|
|
|
John Sinkakas, Gemstone and mineral data book,1972 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
Cancriniet |
Cancrinite Hill, KuglianyDungannon Township,
Bancroft District |
Hastings County |
Ontario |
Canada |
www.mindat.org |
CHEMICAL DATA