|
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 |
Hodgkinsonite |
1.72 |
1.743 |
0.023 |
0.023 |
3.98 |
3.98 |
|
Franklin Furnace, New Jersey, USA |
|
1.720 |
1.720 |
1.739 |
1.739 |
1.743 |
1.743 |
|
|
|
Zeitschrift der Deutschen Gemmologischen
Gesellschaft 1990 Dec, p273-274 |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.95 |
3.95 |
pink |
|
0.13ct |
|
|
|
|
|
|
|
|
|
The Journal of Gemmology 1983 Vol18, N°7, p596 |
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 |
Hodgkinsonite |
1.719 |
1.748 |
0.022 |
0.026 |
3.91 |
4.08 |
1.719 |
1.724 |
|
|
1.742 |
1.748 |
Bestimmungstabellen für Edelsteine,
Birgit Günther, 2008 |
Hodgkinsonite |
1.719 |
1.747 |
0.022 |
0.027 |
3.9 |
4.1 |
|
|
|
|
|
|
Gemmo.eu 2017 |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.91 |
3.99 |
1.720 |
1.720 |
1.741 |
1.741 |
1.746 |
1.746 |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.91 |
3.99 |
1.720 |
1.720 |
1.741 |
1.741 |
1.746 |
1.746 |
http://www.geminterest.com |
Hodgkinsonite |
1.72 |
1.746 |
0.023 |
0.026 |
3.91 |
4.08 |
1.720 |
1.724 |
1.739 |
1.742 |
1.743 |
1.746 |
Gemmological Tables, Ulrich Henn,
2004 |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.91 |
3.99 |
|
|
|
|
|
|
http://www.gemmology.be |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.95 |
3.95 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.91 |
3.99 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Hodgkinsonite |
1.72 |
1.746 |
0.026 |
0.026 |
3.91 |
3.99 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
Hodgkinsonite |
1.724 |
1.746 |
0.022 |
0.022 |
3.9 |
3.9 |
|
|
|
|
|
|
John Sinkakas, Gemstone and mineral data book,1972 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)