|
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 |
Mellite |
1.511 |
1.54 |
0.029 |
0.029 |
1.64 |
1.64 |
yellowish |
Hungary |
0.08ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2013 62/1-2, Jun,
p35 |
TABLES
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
Mellite |
1.508 |
1.542 |
0.027 |
0.033 |
1.55 |
1.65 |
|
|
|
|
Gemmo.eu 2013
|
Mellite |
1.509 |
1.541 |
0.028 |
0.032 |
1.58 |
1.64 |
1.509 |
1.511 |
1.539 |
1.541 |
http://www.geminterest.com
|
Mellite |
1.509 |
1.539 |
0.03 |
0.03 |
1.58 |
1.6 |
1.509 |
1.511 |
1.539 |
1.539 |
Gemmological Tables, Ulrich Henn, 2004
|
Mellite |
1.509 |
1.541 |
0.028 |
0.032 |
1.58 |
1.64 |
|
|
|
|
http://www.gemmology.be
|
Mellite |
1.509 |
1.541 |
0.028 |
0.032 |
1.58 |
1.64 |
1.509 |
1.511 |
1.539 |
1.541 |
Joel Arem, Color Encyclopedia
of Gemstones, 1987
|
Mellite |
1.509 |
1.541 |
0.032 |
0.032 |
1.6 |
1.6 |
|
|
|
|
Gems, R Webster, 5th edition
1994
|
Mellite |
1.509 |
1.541 |
0.028 |
0.032 |
1.58 |
1.64 |
|
|
|
|
Gemology Tools Professional 2010
|
Mellite |
1.539 |
1.511 |
0.028 |
0.032 |
1.57 |
1.65 |
1.539 |
1.541 |
1.509 |
1.511 |
Tables of Gemstone
Identification, Roger Dedeyne, Ivo Quintens, 2007
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)