|
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 |
Hemimorphite |
1.61 |
1.62 |
|
|
3.31 |
3.34 |
mottled blue |
Congo Brazaville |
cabochons 50.65 and 114.96 ct,
translucent |
|
|
|
|
|
|
none |
weak greenish blue |
inert or weak bluish white |
Gems & Gemology 2002 fall p 263 |
Hemimorphite |
1.61 |
1.62 |
0.02 |
0.02 |
3.43 |
3.43 |
light blue |
|
|
|
|
|
|
|
|
|
|
|
Gems & Gemology 1971 Winter, p383 |
Hemimorphite |
1.61 |
1.62 |
|
|
3.13 |
3.13 |
pale greenish blue |
Yunnan Province, China |
6.62 ct cabochon, spot RI |
|
|
|
|
|
|
|
|
|
Gems & Gemology 2012 Fall, p222-223 |
Hemimorphite |
1.61 |
1.63 |
0.02 |
0.02 |
3.45 |
3.45 |
electric blue |
|
cabochon 5.61ct, semi transparent |
|
|
|
|
|
|
|
medium blue |
inert |
Gems & Gemology 2020 Summer p285 |
Hemimorphite |
1.613 |
1.635 |
|
|
3.45 |
3.45 |
greenish blue |
|
cabochon, 9.80ct |
|
|
|
|
|
|
no absorption lines |
inert |
inert |
Gems & Gemology 2002 Fall, p254 |
Hemimorphite |
1.62 |
1.62 |
|
|
|
|
greenish blue |
|
cabochon, 8 x 6 mm, spot RI |
|
|
|
|
|
|
no lines |
inert |
inert |
Gems & Gemology 1998 Spring, p44-45 |
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 |
Hemimorphite |
1.611 |
1.639 |
0.022 |
0.022 |
3.4 |
3.5 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
Hemimorphite |
1.612 |
1.633 |
0.021 |
0.021 |
3.44 |
3.44 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
Hemimorphite |
1.612 |
1.638 |
0.02 |
0.023 |
3.4 |
3.5 |
|
|
|
|
|
|
Gemmo.eu
|
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.4 |
3.5 |
1.614 |
1.614 |
1.617 |
1.617 |
1.636 |
1.636 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.3 |
3.5 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.3 |
3.5 |
1.614 |
1.614 |
1.617 |
1.617 |
1.636 |
1.636 |
http://www.geminterest.com |
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.3 |
3.5 |
1.614 |
1.614 |
|
|
1.636 |
1.636 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.3 |
3.5 |
1.614 |
1.614 |
1.617 |
1.617 |
1.636 |
1.636 |
Gemmological Tables, Ulrich Henn,
2004 |
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.4 |
3.5 |
|
|
|
|
|
|
http://www.gemmology.be |
Hemimorphite |
1.614 |
1.636 |
0.022 |
0.022 |
3.3 |
3.5 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
Hemimorphite |
|
|
|
Congo Brazzaville |
Gems & Gemology 2002 fall p 263 |
CHEMICAL DATA