|
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 |
Rhodonite |
1,72 |
1,733 |
0,013 |
0,013 |
3,66 |
3,69 |
|
Lafaiete de Ciencias,
Minas Gerais, Brazil |
|
|
|
|
|
|
|
strong band at 410nm,
weak lines at 430 and 460nm, moderate line at 500nm, wide band at 520-560nm |
inert to very weak red |
inert to very weak red |
Gems & Gemology 2004
fall, p260 |
Rhodonite |
1,72 |
1,743 |
0,013 |
0,016 |
3,64 |
3,73 |
red, transparent |
Minas Gerais, Brazil |
|
1,720 |
1,729 |
1,726 |
1,734 |
1,733 |
1,743 |
|
|
|
Gemmologie, Zeitschrift
der Deutschen Gemmologischen Gesellschaft 2000 Sep, p151-154 |
Rhodonite |
1,722 |
1,734 |
0,012 |
0,012 |
3,61 |
3,61 |
pink+black opaque |
|
|
|
|
|
|
|
|
|
|
|
ACAM labo |
Rhodonite |
1,726 |
1,73 |
0,004 |
0,004 |
3,69 |
3,69 |
red |
Broken Hill, New South
Wales, Australia |
2.09ct, transparent |
|
|
|
|
|
|
broad absorption between
540-560nm, lines at 422, 451, 463, 509nm |
inert |
inert |
GIA Gem Database 35496 |
Rhodonite |
1,73 |
1,73 |
|
|
3,41 |
3,72 |
pink |
Woods mine, New South
Wales, Australia |
cabochons, translucent,
aggregate, mottled texture |
|
|
|
|
|
|
bands at 420 and 548nm,
weaker bands at 440 and 455nm |
|
|
Gems & Gemology 1997
Fall, p225-227 |
Rhodonite |
1,732 |
1,745 |
|
|
3,65 |
3,65 |
|
Broken Hill, New South
wales, Australia |
|
1,732 |
1,732 |
|
|
1,745 |
1,745 |
lines at 408 and 412,
broad band at 548 |
dull dark red |
dull dark red |
Gems & Gemology 2005
Fall p248 |
Rhodonite |
1,74 |
1,74 |
|
|
3,7 |
3,7 |
red |
|
RI by distant vision
method, 40ct cabochon, translucent, ruby imitation |
|
|
|
|
|
|
|
|
|
Gemmologie, Zeitschrift
der Deutschen Gemmologischen Gesellschaft 2012 Dez, p65 |
Rhodonite |
1,733 |
1,734 |
|
|
3,4 |
3,7 |
pink with yellow-pink and
yellow areas and black veining |
Southern Iran |
cabochons 1.2-3.2cm |
|
|
|
|
|
|
|
|
|
The Journal of Gemmology
2020 Vol 37(3), p 246-247 |
Rhodonite |
1,73 |
17,42 |
0,012 |
0,012 |
3,62 |
3,62 |
red |
|
14.50ct, transparent |
|
|
|
|
|
|
broad absorption band
around 550nm |
|
|
http://gtljaipur.info
2021 vol78, May |
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 |
Rhodonite |
1.711 |
1.752 |
0.01 |
0.014 |
3.4 |
3.8 |
1.711 |
1.738 |
|
|
1.723 |
1.752 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Rhodonite |
1.711 |
1.751 |
0.013 |
0.014 |
3.4 |
3.76 |
1.711 |
1.738 |
1.715 |
1.741 |
1.724 |
1.751 |
Gemmological Tables, Ulrich Henn,
2004 |
Rhodonite |
1.711 |
1.752 |
0.011 |
0.014 |
3.57 |
3.76 |
|
|
|
|
|
|
http://www.gemmology.be |
Rhodonite |
1.711 |
1.752 |
0.011 |
0.014 |
3.57 |
3.76 |
1.711 |
1.738 |
1.716 |
1.741 |
1.723 |
1.752 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
Rhodonite |
1.711 |
1.752 |
0.011 |
0.014 |
3.57 |
3.76 |
1.711 |
1.738 |
1.716 |
1.741 |
1.723 |
1.752 |
http://www.geminterest.com |
Rhodonite |
1.711 |
1.752 |
0.011 |
0.014 |
3.57 |
3.76 |
1.711 |
1.738 |
1.716 |
1.740 |
1.723 |
1.752 |
Tables of
Gemstone Identification, Roger Dedeyn, Ivo Quintens, 2007 |
Rhodonite |
1.716 |
1.752 |
0.01 |
0.014 |
3.4 |
3.74 |
1.716 |
1.738 |
|
|
1.723 |
1.752 |
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Rhodonite |
1.72 |
1.747 |
0.01 |
0.013 |
3.4 |
3.7 |
|
|
|
|
|
|
John Sinkakas,
Gemstone and mineral data book,1972 |
Rhodonite |
1.73 |
1.73 |
0.01 |
0.01 |
3.4 |
3.7 |
|
|
|
|
|
|
Gems, R Webster,
5th edition 1994 |
Rhodonite |
1.733 |
1.747 |
0.01 |
0.01 |
3.4 |
3.7 |
|
|
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
CAUSE OF
COLOUR
Stone |
Colour |
Cause
of colour |
Reference |
Rhodonite |
pink |
Mn²+ in
octahedral coordination with minor Fe²+; Mn³+ in octahedral coordination |
Gems & Gemology Summer 1988 |
MINERAL
INCLUSIONS
Inclusion |
Stone |
Reference |
fluorite |
Rhodonite |
Gems & Gemology 2005 Fall p254 |
galena |
Rhodonite |
Gems & Gemology 2005 Fall p254 |
pyrrhotite |
Rhodonite |
Gems & Gemology 2005 Fall p254 |
quartz |
Rhodonite |
Gems & Gemology 2005 Fall p254 |
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
Rhodonite |
|
Broken Hill |
New South Wales |
Australia |
Gems & Gemology 2005 Fall, p246-254 |
Rhodonite |
|
Conselheiro Lafaiete |
Minas Gerais |
Brazil |
Gems & Gemology 2004 fall, p260 |
Rhodonite |
Departementa Ampanihy |
Atsimo Andrefana region |
Toliara (Tuléar) Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
Rhodonite |
|
Same |
Kilimanjaro Region |
Tanzania |
Gems & Gemology 2000 winter p325 |
CHEMICAL DATA
(%)