|
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 |
bromellite |
1.718 |
1.732 |
0.014 |
0.014 |
3.01 |
3.03 |
colourless |
|
0.68, 1.92, and 2.80 ct |
|
|
|
|
|
very weak yellow |
inert |
Gems & Gemology 2002 Fall, p249 |
bromellite synthetic |
1.719 |
1.735 |
0.015 |
0.015 |
3.00 |
3.00 |
colourless |
|
|
1.719 |
1.720 |
1.735 |
1.735 |
|
|
faint orange |
Gems & Gemology 1964 Spring, p
150-151 |
bromellite synthetic |
1.72 |
1.735 |
0.015 |
0.015 |
3 |
3.02 |
|
|
|
|
|
|
|
|
|
faint orange |
The Journal of Gemmology 1970 N°4,p115 |
TABLES
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
bromellite synthetic |
1.705 |
1.719 |
0.014 |
0.03 |
3 |
3.02 |
1.735 |
1.735 |
1.705 |
1.719 |
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
bromellite |
1.718 |
1.732 |
0.014 |
0.014 |
3.01 |
3.03 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 2008 |
bromellite |
1.719 |
1.735 |
0.013 |
0.015 |
3 |
3.05 |
|
|
|
|
Gemmo.eu 2013 |
bromellite |
1.72 |
1.735 |
0.015 |
0.015 |
3 |
3.02 |
|
|
|
|
Gems, R Webster, 5th edition 1994 |
bromellite synthetic |
|
|
|
|
3 |
3.02 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
CAUSE OF
COLOUR