|
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 |
Eosphorite |
1.64 |
1.668 |
0.028 |
0.028 |
3.06 |
3.06 |
brownish-pink |
|
|
1.640 |
1.640 |
1.660 |
1.660 |
1.668 |
1.668 |
strong line at 410nm, moderate line at 490nm |
|
|
Gems & Gemology 1970 Fall, p192-194 |
Eosphorite |
1.64 |
1.67 |
0.03 |
0.03 |
3.02 |
3.02 |
yellowish brown |
Brazil |
0.76 ct, Mn/Fe = 3.4 |
|
|
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2013 62/1-2, Jun, p33 |
Eosphorite |
1.64 |
1.667 |
0.027 |
0.027 |
3.12 |
3.12 |
orange |
|
5.85 ct, 55,3% eosphorite - 40.5%
childrenite |
|
|
|
|
|
|
|
inert |
inert |
Gems & Gemology 2015 Fall, p314 |
Eosphorite |
1.645 |
1.67 |
0.025 |
0.025 |
3.07 |
3.07 |
yellowish brown |
Pakistan |
0.14 ct, Mn/Fe = 1.6 |
|
|
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2013 62/1-2, Jun, p33 |
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 |
Reference |
Eosphorite |
1.628 |
1.68 |
0.028 |
0.035 |
3.05 |
3.08 |
1.628 |
1.645 |
1.648 |
1.673 |
1.657 |
1.680 |
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
Eosphorite |
1.628 |
1.685 |
0.03 |
0.04 |
3.05 |
3.2 |
|
|
|
|
|
|
Gemmo.eu 2013 |
Eosphorite |
1.629 |
1.68 |
0.028 |
0.035 |
3.05 |
3.08 |
1.629 |
1.645 |
|
|
1.658 |
1.680 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Eosphorite |
1.63 |
1.68 |
0.03 |
0.035 |
3.1 |
3.1 |
1.630 |
1.645 |
|
|
1.660 |
1.680 |
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
Eosphorite |
1.638 |
1.671 |
0.029 |
0.035 |
3.05 |
3.08 |
|
|
|
|
|
|
http://www.gemmology.be |
Eosphorite |
1.638 |
1.671 |
0.029 |
0.035 |
3.05 |
3.08 |
1.638 |
1.639 |
1.660 |
1.664 |
1.667 |
1.671 |
http://www.geminterest.com |
Eosphorite |
1.638 |
1.671 |
0.029 |
0.035 |
3.05 |
3.08 |
1.638 |
1.639 |
1.660 |
1.664 |
1.667 |
1.671 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
Eosphorite |
1.638 |
1.671 |
0.029 |
0.035 |
3.05 |
3.08 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
Eosphorite |
1.64 |
1.68 |
0.028 |
0.035 |
3.06 |
3.08 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Eosphorite |
1.64 |
1.68 |
0.03 |
0.035 |
3.06 |
3.1 |
1.630 |
1.640 |
|
|
1.660 |
1.680 |
Gems, R Webster, 5th edition 1994 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
Eosphorite |
|
|
Minas Gerais |
Brazil |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
CHEMICAL DATA