|
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 |
Synthetic rutile |
|
|
|
|
4,242 |
4,242 |
yellowish |
|
5.21ct |
|
|
|
|
|
|
|
ACAM labo |
Synthetic rutile |
|
|
|
|
4,25 |
4,25 |
yellow |
|
|
|
|
|
|
|
|
|
ACAM labo |
Synthetic rutile |
2,62 |
2,9 |
|
|
4,26 |
4,26 |
colourless |
|
5.41ct, RI reading
jemeter |
|
|
|
|
cutoff 430nm |
|
|
ACAM Lab 4082 |
Rutile |
|
|
|
|
4,26 |
4,26 |
very dark yellowish
orange |
Sri Lanka |
4.69ct cabochon,
cat's-eye |
|
|
|
|
|
inert |
inert |
GIA Gem Database 34865 |
Rutile |
|
|
|
|
4,27 |
4,27 |
dark red |
|
4.4ct |
|
|
|
|
|
inert |
inert |
Gems & Gemology 2015
Fall, p 335 |
Rutile |
|
|
|
|
4,3 |
4,3 |
brownish-black, cat's-eye
with intense orange light line |
Sri Lanka |
0.51 ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift
der Deutschen Gemmologischen Gesellschaft 1998 Dec, p180 |
Rutile |
2,71 |
2,73 |
|
|
4,31 |
4,31 |
dark red |
Brazil |
0.56ct, RI jemeter |
|
|
|
|
|
inert |
inert |
ACAM labo 875 |
Rutile |
|
|
|
|
4,4 |
4,4 |
very dark yellowish
orange |
Sri Lanka |
5.64ct |
|
|
|
|
line at 500nm, band below
480nm |
inert |
inert |
GIA Gem Database 34855 |
Synthetic rutile |
|
|
|
|
|
|
colourless |
|
110,18 ct |
|
|
|
|
|
|
|
Gems & Gemology 2023
Spring, p81 |
TABLES
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
Synthetic rutile |
2.45 |
2.71 |
0.26 |
0.26 |
4.3 |
4.45 |
|
|
|
|
Tables of
Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Rutile |
2.534 |
2.937 |
0.287 |
0.287 |
4.18 |
4.4 |
2.837 |
2.937 |
2.534 |
2.660 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Rutile |
2.604 |
2.902 |
0.285 |
0.29 |
4.2 |
5.26 |
|
|
|
|
Gemmo.eu
|
Rutile |
2.605 |
2.903 |
0.285 |
0.287 |
4.2 |
5.6 |
2.899 |
2.903 |
2.605 |
2.616 |
http://www.geminterest.com |
Synthetic rutile |
2.605 |
2.905 |
0.285 |
0.295 |
4.2 |
4.3 |
|
|
|
|
Gemmo.eu
|
Rutile |
2.605 |
2.899 |
0.287 |
0.287 |
4.23 |
4.23 |
2.899 |
2.901 |
2.605 |
2.613 |
Michael
O'Donoghue, Gems: Their Sources, Descriptions and Identification (2006), 873pp
|
Rutile |
2.609 |
2.903 |
0.286 |
0.287 |
4.2 |
4.3 |
2.895 |
2.903 |
2.609 |
2.616 |
Gemmological Tables, Ulrich Henn,
2004 |
Synthetic rutile |
2.61 |
2.9 |
0.287 |
0.287 |
4.25 |
4.25 |
2.870 |
2.900 |
2.610 |
2.620 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
Rutile |
2.61 |
2.9 |
0.287 |
0.287 |
4.21 |
4.25 |
|
|
|
|
John Sinkakas,
Gemstone and mineral data book,1972 |
Synthetic rutile |
2.61 |
2.9 |
|
|
4.25 |
4.25 |
|
|
|
|
John Sinkakas,
Gemstone and mineral data book,1972 |
Synthetic rutile |
2.61 |
2.9 |
0.287 |
0.287 |
4.23 |
4.27 |
2.870 |
2.900 |
2.610 |
2.620 |
http://www.geminterest.com |
Rutile |
2.61 |
2.903 |
0.287 |
0.287 |
5.6 |
4.2 |
|
|
|
|
Gemology Tools Professional 2010 |
Synthetic rutile |
2.61 |
2.9 |
0.287 |
0.287 |
4.25 |
4.25 |
|
|
|
|
Gemology Tools Professional 2010 |
Rutile |
2.616 |
2.903 |
0.287 |
0.287 |
4.2 |
4.3 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Synthetic rutile |
2.616 |
2.903 |
0.287 |
0.287 |
4.24 |
4.28 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Synthetic rutile |
2.616 |
2.903 |
0.287 |
0.287 |
4.23 |
4.3 |
2.870 |
2.903 |
2.616 |
2.620 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Synthetic rutile |
2.616 |
2.903 |
0.287 |
0.287 |
4.26 |
4.26 |
2.903 |
2.903 |
2.616 |
2.616 |
Gemmological Tables, Ulrich Henn,
2004 |
Synthetic rutile |
2.616 |
2.903 |
0.287 |
0.287 |
4.26 |
4.26 |
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
Rutile |
2.62 |
2.9 |
0.28 |
0.287 |
4.2 |
5.6 |
|
|
|
|
http://www.gemmology.be |
Rutile |
2.62 |
2.9 |
0.287 |
0.287 |
4.2 |
4.3 |
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
Rutile |
2.62 |
2.9 |
0.287 |
0.287 |
4.2 |
5.6 |
2.900 |
2.900 |
2.620 |
2.620 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
Rutile |
2.62 |
2.9 |
0.287 |
0.287 |
4.2 |
4.2 |
|
|
|
|
Gems, R Webster,
5th edition 1994 |
Rutile |
2.62 |
2.9 |
0.287 |
0.287 |
4.2 |
5.6 |
|
|
|
|
Tables of
Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)