|
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 |
|
Cinnabar |
|
|
|
|
8.02 |
8.02 |
dark orangy red |
Hunan, China |
7.97ct |
|
|
|
|
broad absorption below 620nm |
inert |
inert |
GIA Gem Database 35557 |
|
Cinnabar |
|
|
|
|
8.24 |
8.24 |
dark red |
Hunan Province, China |
20.52ct |
|
|
|
|
broad absorption below 615nm |
inert |
inert |
GIA Gem Database 35521 |
|
Cinnabar |
|
|
|
|
8.25 |
8.25 |
orangy red |
Hunan Province, China |
19.87ct, transparent |
|
|
|
|
broad absorption below 615nm |
inert |
inert |
GIA Gem Database 35514 |
TABLES
|
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
|
Cinnabar |
2.905 |
3.256 |
0.351 |
0.351 |
8.09 |
8.09 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
|
Cinnabar |
2.905 |
3.256 |
0.351 |
0.351 |
8.09 |
8.1 |
3.256 |
3.256 |
2.905 |
2.905 |
http://www.geminterest.com |
|
Cinnabar |
2.905 |
3.256 |
0.351 |
0.351 |
8.09 |
8.09 |
3.256 |
3.256 |
2.905 |
2.905 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
CAUSE OF
COLOUR
|
Stone |
Colour |
Cause
of colour |
Reference |
|
Cinnabar |
red |
band theory : metalloid semi-conductor |
http://toutsurlesgrenats.free.fr |
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA