|
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 |
Clinozoisite |
1.711 |
1.72 |
0.008 |
0.009 |
3.4 |
3.4 |
brownish greenish yellow to
brownish yellow-green |
San Diego County, California,
USA |
RI, Birefr, SG increase with
iron content in clinozoisite |
|
|
|
|
|
|
455nm
line |
inert |
inert |
Gems & Gemology 2007 spring
p69 |
Clinozoisite |
|
|
|
|
3.4 |
3.4 |
dark orangy
red |
California,
USA |
2.97ct |
|
|
|
|
|
|
broad absorption below 430nm,
lines at 455, 475 |
|
|
GIA Gem Database
35187 |
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 |
Clinozoisite |
1.67 |
1.734 |
0.005 |
0.02 |
3.2 |
3.38 |
1.670 |
1.724 |
|
|
1.690 |
1.734 |
Gemme, Dati per l'identificazione, P. De Stefano
et al, 1993
|
Clinozoisite |
1.67 |
1.734 |
0.005 |
0.015 |
3.21 |
3.38 |
|
|
|
|
|
|
http://www.gemmology.be
|
Clinozoisite |
1.67 |
1.734 |
0.005 |
0.018 |
3.2 |
3.4 |
1.670 |
1.715 |
1.675 |
1.725 |
1.690 |
1.734 |
http://www.geminterest.com
|
Clinozoisite |
1.67 |
1.734 |
0.005 |
0.015 |
3.21 |
3.38 |
1.670 |
1.715 |
1.675 |
1.725 |
1.690 |
1.734 |
Joel Arem, Color Encyclopedia
of Gemstones, 1987
|
Clinozoisite |
1.67 |
1.734 |
0.005 |
0.015 |
3.21 |
3.4 |
1.670 |
1.715 |
1.675 |
1.725 |
1.690 |
1.734 |
Tables of Gemstone
Identification, Roger Dedeyn, Ivo Quintens, 2007
|
Clinozoisite |
1.697 |
1.729 |
0.005 |
0.015 |
3.3 |
3.4 |
1.697 |
1.714 |
1.699 |
1.722 |
1.702 |
1.729 |
Gemmological Tables, Ulrich Henn, 2004
|
Clinozoisite |
1.72 |
1.724 |
0.01 |
0.01 |
3.25 |
3.5 |
|
|
|
|
|
|
John Sinkakas, Gemstone and
mineral data book,1972
|
Clinozoisite |
1.72 |
1.73 |
0.01 |
0.01 |
3.37 |
3.37 |
|
|
|
|
|
|
Gems, R Webster, 5th edition
1994
|
Clinozoisite |
1.721 |
1.74 |
0.01 |
0.01 |
3.21 |
3.38 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine, Birgit
Günther, 2008
|
Clinozoisite |
1.724 |
1.734 |
0.01 |
0.01 |
3.37 |
3.37 |
|
|
|
|
|
|
Tabellen zur Edelstein-Bestimmung, Pschichholz
FGA, 1975
|
CAUSE OF COLOUR
Stone |
Colour |
Cause of
colour |
Reference |
Clinozoisite |
brown |
Fe³+ |
http://minerals.caltech.edu |
Clinozoisite |
green |
Cr³+ in octahedral
coordination |
Gems & Gemology Summer
1988 |
MINERAL INCLUSIONS
LOCALITIES
STONE |
LOCALITIES |
REFERENCE | |||
Clinozoisite |
Kandaketiya |
Badulla |
Ratnapura |
Sri Lanka |
Gems & Gemology 1988 Fall p
179 |
CHEMICAL DATA