|
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 |
|
Sapphirine |
1.7 |
1.707 |
0.007 |
0.007 |
3.43 |
3.43 |
brownish orangy red |
Tunduru, Tanzania |
|
|
|
|
|
|
|
lines in the red, Cr |
weakly chalky green |
inert |
Gems & Gemology 1998 summer, p132 |
|
Sapphirine |
1.701 |
1.711 |
0.007 |
0.007 |
3.49 |
3.5 |
grey, light green, red |
Tunduru, Tanzania |
transparent |
1.701 |
1.704 |
|
|
1.708 |
1.711 |
|
red stone: weak orange |
red stone: dull red |
Gems & Gemology 2007 winter, p379 |
|
Sapphirine |
1.701 |
1.707 |
0.006 |
0.006 |
3.51 |
3.51 |
purplish pink |
|
|
1.701 |
1.701 |
1.705 |
1.705 |
1.707 |
1.707 |
|
|
|
Gems & Gemology 1985 fall p176-177 |
|
Sapphirine |
1.701 |
1.711 |
0.006 |
0.007 |
3.42 |
3.51 |
blue to greyish blue |
Sri Lanka |
up to 0.69ct |
1.701 |
1.704 |
1.705 |
1.708 |
1.707 |
1.711 |
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2001 Jun, p112-115 |
|
Sapphirine |
1.701 |
1.709 |
0.008 |
0.008 |
3.53 |
3.53 |
bluish grey |
Sri Lanka |
0.6ct |
|
|
|
|
|
|
|
|
|
ACAM Lab
2288 |
|
Sapphirine |
1.704 |
1.71 |
0.006 |
0.006 |
3.45 |
3.45 |
blue |
|
0.90ct |
1.704 |
1.705 |
|
|
1.707 |
1.710 |
|
|
|
The Journal of Gemmology 1987 Vol 20, N°7/8, p409 |
|
Sapphirine |
1.704 |
1.71 |
0.006 |
0.006 |
3.56 |
3.56 |
dark greyish blue |
Sri Lanka |
1.72ct |
|
|
|
|
|
|
|
inert |
inert |
GIA Gem Database 33479 |
|
Sapphirine |
1.711 |
1.718 |
0.007 |
0.007 |
3.5 |
3.5 |
dark brown green |
Bo Rai, Thailand |
|
|
|
|
|
|
|
|
inert |
inert |
Gems & Gemology 1987 Summer, p108 |
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 |
|
Sapphirine |
1.7 |
1.735 |
0.005 |
0.007 |
3.4 |
3.56 |
|
|
|
|
|
|
Gemmo.eu
|
|
Sapphirine |
1.701 |
1.724 |
0.005 |
0.007 |
3.42 |
3.51 |
1.701 |
1.717 |
1.705 |
1.722 |
1.707 |
1.724 |
Gemmological Tables, Ulrich Henn,
2004 |
|
Sapphirine |
1.701 |
1.723 |
0.006 |
0.006 |
3.4 |
3.51 |
1.701 |
1.716 |
|
|
1.707 |
1.723 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
|
Sapphirine |
1.701 |
1.718 |
0.006 |
0.007 |
3.4 |
3.58 |
1.701 |
1.711 |
|
|
1.707 |
1.718 |
Gems, R Webster, 5th edition 1994 |
|
Sapphirine |
1.701 |
1.734 |
0.004 |
0.007 |
3.4 |
3.58 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 2008 |
|
Sapphirine |
1.701 |
1.734 |
0.005 |
0.007 |
3.4 |
3.58 |
1.701 |
1.726 |
1.703 |
1.728 |
1.705 |
1.734 |
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
|
Sapphirine |
1.701 |
1.723 |
0.006 |
0.006 |
3.4 |
3.51 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
|
Sapphirine |
1.707 |
1.734 |
0.005 |
0.008 |
3.4 |
3.51 |
1.707 |
1.729 |
1.703 |
1.733 |
1.705 |
1.734 |
http://www.geminterest.com |
|
Sapphirine |
1.714 |
1.723 |
0.006 |
0.006 |
3.4 |
3.5 |
|
|
|
|
|
|
http://www.gemmology.be |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
|
Inclusion |
Stone |
Reference |
|
apatite |
Sapphirine |
The Journal of Gemmology 1991, Vol 22, N°3, p136-140 |
|
monazite |
Sapphirine |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 3 |
|
phlogopite |
Sapphirine |
Gems & Gemology 1985 Fall p177 |
|
uraninite |
Sapphirine |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 3 |
|
zircon |
Sapphirine |
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2001, Jun p114 |
LOCALITIES
|
STONE |
LOCALITIES |
REFERENCE |
|||
|
Sapphirine |
Sakeny area, Ihosy Department |
Horombe Region |
Fianarantsoa Province |
Madagascar |
Michael O'Donoghue, Gems: Their Sources, Descriptions and Identification
(2006), 873pp |
|
Sapphirine |
Vorokafotra (Voronkafotra), Ianabinda,
Departementa Betroka |
Horombe region |
Fianarantsoa Province |
Madagascar |
Michael O'Donoghue, Gems: Their Sources, Descriptions and Identification
(2006), 873pp |
|
Sapphirine |
Kollonne village |
Embilipitiya |
Southern Province |
Sri Lanka |
The Journal of Gemmology 1991, Vol22, N°3,p136-140 |
|
Sapphirine |
|
Tunduru |
Ruvuma Region |
Tanzania |
Gems & Gemology 2007 Winter, p379 |
|
Sapphirine |
|
Bo Rai |
|
Thailand |
Gems & Gemology 1987 Summer, p108 |
CHEMICAL DATA
(%)
|
Stone |
Colour |
Locality |
Reference |
SiO2 |
Al2O3 |
MgO |
FeO |
CaO |
Na2O |
B2O3 |
P2O5 |
|
|
Sapphirine |
blue |
|
Sri Lanka |
Gemmologie, Zeitschrift der deutschen
gemmologischen Gesellschaft, 2001, Jun p115 |
15.08 |
62.17 |
21.68 |
2.04 |
|
|
|
|
|
Sapphirine |
|
Kolonne |
Sri Lanka |
The Journal of Gemmology 1990, Vol 22, N°3, p136-140 |
14.4 |
63.8 |
19.2 |
1.83 |
0.08 |
<0.1 |
0.28 |
0.04 |
|
Sapphirine |
|
Kolonne |
Sri Lanka |
The Journal of Gemmology 1990, Vol 22, N°3, p136-140 |
14.9 |
61.9 |
19.9 |
1.7 |
|
|
|
<0.1 |