|
INVESTIGATIONS
Stone |
RI min |
RI max |
Dens min |
Dens max |
Colour |
Location |
Info |
Spectrum |
UVS |
UVL |
Reference |
Andradite |
1,85 |
1,87 |
3,72 |
3,89 |
green-yellow, bluish
green, brown |
Anbanja, Madagascar |
chelsea : red; strongly
magnetic; 1.85ct-3.89ct |
|
inert |
inert |
Revue de Gemmologie A.F.G. 2009 Sep p6-10 |
Andradite |
1,851 |
1,888 |
3,77 |
3,85 |
emerald green,
orange-brown, green-brown (topazolite), yellow, pale yellow-green
(greenfire), black (melanite), yellowish brown (golden cat's eye) |
San Benito County,
California |
translucent to opaque |
|
inert |
inert |
Gems & Gemology 1981
fall p157-160 |
Demantoid - andradite |
|
|
3,77 |
3,85 |
yellowish green to
emerald green |
Pakistan |
|
|
|
|
Gemmologie, Zeitschrift
der Deutschen Gemmologischen Gesellschaft 2001 Mar, p5156 |
Demantoid - andradite |
|
|
3,79 |
3,88 |
olive-green,
emerald-green |
Anbanja, Madagascar |
|
no Cr lines, cut-off in
the blue, diffuse bands at 621 and 640nm |
|
|
Gems & Gemology 2009
Fall, p218 |
Andradite |
|
|
3,79 |
3,9 |
yellow-green to bluish
green, greenish-brown, brown |
Antetezambato, Ambanja,
Madagascar |
demantoid and topazolite;
demantoid contains very low Cr and V; green colour appears related to Feł+ |
|
inert |
inert |
Gems & Gemology 2011
Spring, p2-14 |
Andradite |
1,86 |
1,86 |
3,79 |
3,79 |
brown-orange with
distinct zones of green |
Iran |
1.25 ct |
|
|
|
Gems & Gemology 2007
Spring, p65-66 |
Andradite |
1,881 |
1,881 |
3,8 |
3,8 |
brownish yellow |
San Benito County,
California, USA |
|
|
|
|
Gems & Gemology 1983
Winter, p202-208 |
Demantoid - andradite |
|
|
3,81 |
3,88 |
yellowish green to green,
medium to dark |
Val Malenco, Italy |
transparent |
UV-Vis-Nir:toatal
absorption >390nm, strong bands 435-440, broad feature at 480nm,
absorptions 575,620,640, doublet 695-700, broad band at 860nm |
inert |
inert |
Gems & Gemology 2009
Winter, p 280-287 |
Demantoid - andradite |
1,88 |
1,883 |
3,81 |
3,87 |
yellow-green |
Russia |
10 stones |
|
|
|
Gems & Gemology 1983
Winter, p202-208 |
Demantoid - andradite |
|
|
3,82 |
3,82 |
green, light yellow,
orange, light orange, brownish orange |
Kerman Province, Iran |
often magnetic |
strong band at 443, two
bands at 622 and 640 |
|
|
Gems & Gemology 2006
fall p131 |
Andradite |
|
|
3,82 |
3,93 |
orangy brown, brownish
yellow |
Erzincan, eastern Turkey |
0.15 - 0.38 ct |
440 nm cutoff |
inert |
inert |
Gems & Gemology 2009
Summer, p142 |
Demantoid - andradite |
1,889 |
1,889 |
3,82 |
3,82 |
yellow-green |
Korea |
|
|
|
|
Gems & Gemology 1978
Winter, p123-124 |
Demantoid - andradite |
|
|
3,82 |
3,87 |
yellowish green to vivid
or deep green |
Kerman Province, Iran |
|
|
inert |
inert to very weak
yellowish green |
The Journal of Gemmology
2022 38(4), p329-345 |
Andradite |
|
|
3,83 |
3,88 |
brownish yellow, brownish
yellow green, yellowish green, brownish orange, brown-red |
28 km NE of Klein
Spitzkoppe, Namib desert, Namibia |
|
cutoff at 460 or 520, weak Cr (only in demantoid) |
inert |
inert |
Gems & Gemology 2007
winter , p370-371 |
Demantoid - andradite |
|
|
3,83 |
3,86 |
yellowish green, green |
Kerman District, Iran |
0.38-1.23 carat |
fibers, horse tail |
|
|
Gemmologie, Zeitschrift
der Deutschen Gemmologischen Gesellschaft 2003 Mar, p3 |
Andradite |
|
|
3,83 |
3,83 |
iridiscent colours |
Buffelsfontein, North
West Province, South Africa |
16.02ct, opaque, cabochon |
broad absorption below
490nm |
inert |
inert |
GIA Gem Database 33282 |
Demantoid - andradite |
|
|
3,83 |
3,85 |
green to yellowish green |
Namibia |
0.71 - 3.42 ct, strong
anomalous double refraction, RI OTL, chelsea: orange to red |
band at 445 nm, general
absorption below 450 nm |
inert |
inert |
Gems & Gemology 1997
Fall, p222-223 |
Demantoid - andradite |
1,88 |
1,88 |
3,83 |
3,94 |
yellowish green |
Black Lake, Quebec,
Canada |
|
|
|
|
Canadian Gemmologist 1999
Mar, p18-19 |
Demantoid - andradite |
1,881 |
1,881 |
3,84 |
3,84 |
|
|
1.45ct, composition:
Adr96Grs4 |
|
|
|
Gems & Gemology 2011
Winter, p274 |
Demantoid - andradite |
|
|
3,84 |
3,84 |
green |
|
5.82ct |
chrome lines and a 470 nm |
|
|
Gems & Gemology 2006
winter, p 261-262 |
Demantoid - andradite |
|
|
3,85 |
3,85 |
|
Antetezambato, Ambanja,
Madagascar |
0.86 ct |
|
|
|
Gemmologie, Zeitschrift
der Deutschen Gemmologischen Gesellschaft 2009 58/3-4/Dec, p80-81 |
Demantoid - andradite |
|
|
3,85 |
3,85 |
yellowish green |
Kerman, Kerman Province,
Iran |
1.67ct |
broad absorption below
460nm |
inert |
inert |
GIA Gem Database 35637 |
Demantoid - andradite |
|
|
3,85 |
3,95 |
yellow-green to green |
northern Pakistan |
0.30 - 0.60 ct |
a strong broad absorption
band at 440 nm and lines in the red |
inert |
inert |
Gems & Gemology 2005
Summer, p176 |
Demantoid - andradite |
1,88 |
1,883 |
3,85 |
3,88 |
yellow-green |
Italy |
9 stones |
|
|
|
Gems & Gemology 1983
Winter, p202-208 |
Andradite |
|
|
3,85 |
3,85 |
brownish yellow |
Korea |
2.10ct |
broad absorption below
440nm |
inert |
inert |
GIA Gem Database 33308 |
Demantoid - andradite |
|
|
3,85 |
3,85 |
yellowish green |
|
5.22ct |
broad absorption below
445nm |
inert |
inert |
GIA Gem Database 33300 |
Demantoid - andradite |
|
|
3,86 |
3,86 |
yellowish green |
|
4.31ct |
broad absorption below
440nm |
inert |
inert |
GIA Gem Database 33301 |
Demantoid - andradite |
|
|
3,86 |
3,87 |
yellowish green |
Bobravka River, near
Nizhniy Tagil, Russia |
IR OTL, 1.18 and 1.34ct,
chelsea: deep orangy red, "horsetails" inclusions |
460 nm cutoff, 620 nm,
line, 638 nm line, weak 690 nm line, 680 nm cutoff |
inert |
inert |
Gems & Gemology 1997
Fall, p222 |
Andradite |
|
|
3,86 |
3,86 |
very dark red |
Namibia |
5.73ct, RI OTL |
a 420 nm cutoff |
inert |
inert |
Gems & Gemology 2001
Spring, p 56 |
Demantoid - andradite |
|
|
3,86 |
3,89 |
yellowish green to green,
medium to dark |
Iran |
0.12 - 1.13 ct, RI OTL |
Cr doublet (620 and 640
nm) |
inert |
inert |
Gems & Gemology 2002
Spring, p96 |
Andradite |
|
|
3,87 |
3,94 |
brownish yellow-orange to
yellowish orange-brown |
Baluchistan, Pakistan |
|
absorption at 500nm |
inert |
inert |
Gems & Gemology 2007
winter , p373 |
Demantoid - andradite |
|
|
3,87 |
3,87 |
yellowish green |
|
4.24ct |
broad absorption below
450nm |
inert |
inert |
GIA Gem Database 33303 |
Demantoid - andradite |
1,882 |
1,882 |
3,87 |
3,87 |
|
|
1.79ct, composition:
Adr90Uv7Grs9 |
|
|
|
Gems & Gemology 2011
Winter, p274 |
Demantoid - andradite |
|
|
3,9 |
3,9 |
yellowish green |
Malenco Valley, Italy |
4.12ct |
broad absorption below
455nm |
inert |
inert |
GIA Gem Database 33307 |
Andradite |
|
|
3,91 |
3,91 |
green-yellow to greenish
yellow-brown |
China |
0.30 - 1.58ct |
strong absorption below
450 nm |
inert to weak red |
inert to very weak red |
Gems & Gemology 2010
Spring, p59 |
Demantoid - andradite |
1,84 |
1,84 |
3,92 |
3,92 |
green |
Anbanja, Madagascar |
0.83ct |
|
inert |
inert |
ACAM lab 2115 |
Andradite |
|
|
3,92 |
3,92 |
brownish greenish yellow
to yellow-brown |
Arizona, USA |
0.10 - 1.51ct |
line at 440 nm |
|
|
Gems & Gemology 1997
Spring, p61 |
Demantoid - andradite |
1,84 |
1,84 |
3,93 |
3,93 |
|
Sri Lanka |
magnetic, chelsea: pink;
0.29ct |
|
|
|
http://www.geminterest.com
2007 |
Andradite |
|
|
4,17 |
4,43 |
yellow-green, and
yellowish green |
Erzincan, eastern Turkey |
|
440 nm cutoff |
inert |
inert |
Gems & Gemology 2009
Summer, p142 |
Demantoid - andradite |
1,89 |
1,89 |
|
|
yellowish or brownish
green to golden green, emerald green |
|
|
|
|
|
Gems & Gemology 1996
summer p100-111 |
Andradite |
|
|
|
|
rainbow andradite,
probably caused by combination of a narrowly spaced lamellar structure
following the rhombic dodecahedron {110}and an other wavy, widely spaced,
step like lamellar structure not // to {110} |
Nara , Japan |
|
|
|
|
Gems & Gemology 2006
winter, p 248 |
TABLES
Stone |
RI
min |
RI
max |
Dens
min |
Dens
max |
Reference |
Andradite |
1.84 |
1.94 |
3.7 |
4.1 |
http://www.geminterest.com |
Andradite |
1.84 |
1.888 |
3.76 |
3.87 |
Gemmo.eu
|
Andradite |
1.855 |
1.895 |
3.81 |
3.87 |
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Andradite |
1.855 |
1.94 |
3.68 |
4.1 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Demantoid - andradite |
1.855 |
1.895 |
3.8 |
3.87 |
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
Andradite |
1.855 |
1.895 |
3.81 |
3.87 |
Gemology Tools Professional 2010 |
Demantoid - andradite |
1.855 |
1.895 |
3.81 |
3.87 |
Gemology Tools Professional 2010 |
Demantoid - andradite |
1.86 |
1.89 |
3.83 |
3.8 |
John Sinkakas,
Gemstone and mineral data book,1972 |
Andradite |
1.87 |
1.935 |
3.82 |
3.94 |
Tables of
Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Andradite |
1.88 |
1.94 |
3.7 |
4.1 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
Demantoid - andradite |
1.88 |
1.889 |
3.77 |
3.88 |
Gemmological Tables, Ulrich Henn,
2004 |
Andradite |
1.88 |
1.935 |
3.82 |
3.9 |
http://www.gemmology.be |
Demantoid - andradite |
1.88 |
1.888 |
3.82 |
3.91 |
http://www.geminterest.com |
Demantoid - andradite |
1.881 |
1.888 |
3.82 |
3.88 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
Demantoid - andradite |
1.881 |
1.888 |
3.82 |
3.91 |
http://www.geminterest.com |
Demantoid - andradite |
1.885 |
1.9 |
3.81 |
3.88 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Demantoid - andradite |
1.89 |
1.89 |
3.82 |
3.85 |
Gems, R Webster,
5th edition 1994 |
Andradite |
|
|
3.8 |
3.9 |
John Sinkakas,
Gemstone and mineral data book,1972 |
CAUSE OF
COLOUR
stone |
colour |
cause
of colour |
reference |
Andradite |
black |
charge-transfer
Fe˛+-O-Ti4+ |
Mr. Dominique Flies, La couleur des
grenats, l’Université de Nantes, 2008 |
Andradite - demantoid |
green |
Crł+ in octahedral coordination |
Mr. Dominique Flies, La couleur des grenats,
l’Université de Nantes, 2008 |
Andradite |
multicolours |
diffraction |
Gems & Gemology Summer 1988 |
Andradite |
yellow |
various
charge-transfer processes and dispersed ion absorption involving Fe and Ti |
Gems & Gemology Summer 1988 |
Andradite |
yellow |
charge-transfer
Fe˛+-O-Ti4+ |
Mr. Dominique Flies, La couleur des
grenats, l’Université de Nantes, 2008 |
Andradite |
yellow-brown |
Feł+ in
octahedral coordination and charge-transfer Fe˛+-O-Ti4+ |
Rondeau et al, 2009
(www.geminterest.com) |
Andradite |
yellow-green |
Feł+ in octahedral coordination |
Gems & Gemology Summer 1988 |
MINERAL
INCLUSIONS
Inclusion |
Stone |
Reference |
antigorite |
andradite - demantoid |
E.J. Gübelin and J.I.
Koivula, Photoatlas of inclusions in Gemstones, volume 2 (2005) |
apatite |
andradite - demantoid |
In Color, Summer 2017, p35 |
brucite |
andradite - demantoid |
In Color, Summer 2017, p35 |
calciet |
andradite - demantoid |
In Color, Summer 2017, p35 |
calcite |
andradite |
Gems & gemology spring 2007 Spring p 65 |
chromite |
andradite - demantoid |
Gem & Gemology, Volume
32, Number 2 / Summer 1996 |
chrysotile |
andradite - demantoid |
Gemmological Tables, Ulrich
Henn , GGA, 2004 |
diopside |
andradite - demantoid |
E.J. Gübelin and J.I.
Koivula, Photoatlas of inclusions in Gemstones, volume 2 (2005) |
fluorite |
andradite - demantoid |
In Color, Summer 2017, p35 |
forsterite |
andradite - demantoid |
In Color, Summer 2017, p35 |
magnetite |
andradite - demantoid |
Gems & Gemology 2014, Winter, p302-303 |
pyrite |
andradite - demantoid |
Gems & Gemology 2011, Spring, p8 |
sphalerite |
andradite - demantoid |
Gems & Gemology 2016, Winter, p422 |
talc |
andradite - demantoid |
In Color, Summer 2017, p35 |
vesuvianite |
andradite - demantoid |
In Color, Summer 2017, p35 |
wollastonite |
andradite - demantoid |
Gems & Gemology 2011, Spring, p8 |
LOCALITIES
Andradite-demantoid |
Black Lake |
Mégantic County |
Quebec |
Canada |
InColor- Winter 2007/2008 |
Andradite-demantoid |
Soghan |
Jeroft |
Kerman |
Iran |
Mineralogical Record 3/2002 |
Andradite-demantoid |
Sferlun, Vallone del Cengiask |
Malenco Valley |
Sondrio Province, Lombardia |
Italy |
I Minerali della
Provincia di Sondrio, F. Bedogné,1993 |
Andradite |
Kohse mine,
Tenkawa village, Yoshino-gun, Nara Prefecture |
Kinki Region |
Honshu Island |
Japan |
N. Shimobayashi,
et al. (2005) Rainbow garnet from Tenkawa village in Nara. |
Andradite-demantoid |
Ambanja District |
Diana (Northern) Region |
Antsiranana Province |
Madagascar |
Gems & Gemology 2009 Fall p218 |
Andradite-demantoid |
Antetezambato (Tetezambato), Ambanja
District |
Diana (Northern) Region |
Antsiranana Province |
Madagascar |
Pezzotta, F.
(2009). Rivista Mineralogica Italiana, n.3-2009, 198-200. |
Andradite-demantoid |
28km NE of Klein Spitzkopje |
Swakopmund |
Damaraland |
Namibia |
Gems & Gemology 2007 winter, p 371 |
Andradite-demantoid |
Green Dragon
Mine, Tubussis Farm 22 (Tubussis; Tubusis; Tubessis) |
Karibib District |
Erongo Region |
Namibia |
Gems & Gemology Summer 2015,
p210-211 |
Andradite-demantoid |
Tubussis 22 farm |
Karibib District |
Erongo Region |
Namibia |
Namibia, Zauberwelt edler Steine und
Kristalle, Steffen Jahn e.a., 2001 |
Andradite |
|
|
Balochistan (Baluchistan) |
Pakistan |
Gems & Gemology 2007, winter p373 |
Andradite-demantoid |
Kladovka Mine |
Nizhnii Tagil, Sverdlovskaya Oblast' |
Urals Region |
Russia |
Gems & Gemology 2003 spring p54 |
Andradite-demantoid |
Sysert' District |
Sverdlovskaya Oblast' |
Urals Region |
Russia |
Gems & Gemology Summer 1996 |
CHEMICAL DATA
Stone |
Colour |
Locality |
Reference |
SiO2 |
Al2O3 |
MnO |
MgO |
FeO |
TiO2 |
CaO |
Na2O |
Cr2O3 |
V2O3 |
Fe2O3 |
K2O |
|
Andradite - demantoid |
green |
Kerman Province |
Iran |
The Journal of Gemmology,
2022, 38(4),p339 |
27,63 |
0,15 |
|
1,2 |
|
|
36,05 |
|
2,27 |
0,02 |
32,22 |
0,1 |
Andradite |
slightly yellowish green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,7 |
|
|
|
|
|
33,49 |
|
|
|
31,35 |
|
Andradite |
yellowish green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,43 |
|
|
0,07 |
|
|
33,58 |
|
|
|
31,26 |
|
Andradite |
yellow-green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,47 |
|
|
0,11 |
|
|
33,41 |
|
|
|
31,07 |
|
Andradite |
yellow-green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,61 |
|
|
0,12 |
|
|
33,48 |
|
|
|
31,01 |
|
Andradite |
yellow-green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,39 |
|
|
|
|
0,05 |
33,44 |
|
|
|
31,09 |
|
Andradite |
yellowish green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,53 |
|
|
0,06 |
|
0,03 |
33,46 |
|
0,18 |
|
30,87 |
|
Andradite |
yellowish green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,83 |
|
|
|
|
0,03 |
33,45 |
|
|
|
30,97 |
|
Andradite |
yellow-green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,33 |
0,1 |
|
0,24 |
|
0,09 |
33,66 |
|
|
|
30,56 |
|
Andradite |
yellow-green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,27 |
|
|
0,07 |
|
0,09 |
33,28 |
|
0,06 |
|
30,68 |
|
Andradite |
yellowish green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,59 |
|
|
0,07 |
|
|
33,35 |
|
0,1 |
|
31,12 |
|
Andradite |
yellowish green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,66 |
|
|
|
|
0,04 |
33,38 |
|
|
|
30,93 |
|
Andradite |
greenish-yellow |
|
Italy |
The Journal of Gemmology
2007,30,5/6,307-319 |
34,87 |
0,1 |
0,02 |
0,17 |
0,02 |
0,05 |
33,02 |
|
0,02 |
|
31,3 |
|
Andradite |
yellow-green |
|
Italy |
Gems & Gemology 1983
Winter p204-205 |
35,46 |
|
|
|
|
0 |
33,37 |
|
0,16 |
|
30,74 |
|
Andradite - demantoid |
yellowish green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,37 |
0,07 |
0,03 |
0,13 |
|
0,01 |
33,04 |
0,01 |
0,03 |
|
31,6 |
|
Andradite - demantoid |
yellowish green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,95 |
0,06 |
0,01 |
0,1 |
|
0,02 |
33,04 |
0,01 |
|
|
31,6 |
|
Andradite - demantoid |
green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,93 |
0,15 |
0,02 |
0,15 |
|
0,01 |
33,06 |
0,01 |
0,18 |
|
31,05 |
|
Andradite - demantoid |
green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,76 |
0,06 |
0,02 |
0,13 |
|
0,04 |
33,02 |
|
0,19 |
|
31,27 |
|
Andradite - demantoid |
green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,73 |
0,08 |
0,03 |
0,17 |
|
0,05 |
32,98 |
|
0,29 |
|
30,98 |
|
Andradite - demantoid |
green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,81 |
0,05 |
0,04 |
0,11 |
|
0,02 |
33,04 |
|
0,58 |
|
31,01 |
|
Andradite - demantoid |
yellowish green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,39 |
0,08 |
0,03 |
0,12 |
|
0,03 |
33,04 |
0,01 |
0,01 |
|
31,51 |
|
Andradite - demantoid |
green |
Val Malenco |
Italy |
Gems & Gemology 2009
Winter, p284 |
35,88 |
0,06 |
0,02 |
0,09 |
|
0,03 |
32,99 |
|
0,47 |
|
31,07 |
|
Andradite |
bluish green |
Antetezambato |
Madagascar |
Gems & Gemology 2011,
Spring, p9 |
35,47 |
0,01 |
0,01 |
0,07 |
|
0,01 |
33,24 |
|
|
|
31,93 |
|
Andradite |
green |
Antetezambato |
Madagascar |
Gems & Gemology 2011,
Spring, p9 |
34,73 |
0,01 |
0,01 |
0,08 |
|
|
32,93 |
|
|
|
31,42 |
|
Andradite |
yellowish-green |
Antetezambato |
Madagascar |
Gems & Gemology 2011,
Spring, p9 |
35,57 |
0,06 |
0,01 |
0,15 |
|
0,01 |
33,16 |
|
|
|
31,55 |
|
Andradite |
brown |
Antetezambato |
Madagascar |
Gems & Gemology 2011,
Spring, p9 |
35,52 |
0,02 |
0,01 |
0,06 |
|
|
32,84 |
|
|
|
31,23 |
|
Andradite |
brown |
|
Mali |
Gems & Gemology Fall
1995 p 163 |
36,43 |
6,29 |
0,1 |
0,34 |
|
1,18 |
34,42 |
|
|
0,04 |
20,91 |
|
Andradite - demantoid |
green |
|
Pakistan |
Gemmologie, Zeitschrift
der deutschen gemmologischen Gesellschaft, 2001, Mar, p53 |
35,04 |
0,16 |
|
|
0,04 |
0,04 |
33,63 |
|
0,15 |
|
31,04 |
|
Andradite |
slightly yellowish green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,51 |
|
|
|
|
|
33,5 |
|
|
|
31,13 |
|
Andradite |
slightly yellowish green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,63 |
|
|
0,07 |
|
|
33,38 |
|
|
|
30,83 |
|
Andradite |
yellowish green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,87 |
|
|
|
|
|
33,42 |
|
|
|
31,22 |
|
Andradite |
yellow-green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,72 |
|
|
|
|
|
33,62 |
|
|
|
31,1 |
|
Andradite |
yellowish green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,72 |
|
|
|
|
|
33,52 |
|
|
|
31,08 |
|
Andradite |
yellow-green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,27 |
|
|
|
|
|
33,51 |
|
|
|
31,14 |
|
Andradite |
yellowish green |
|
Russia |
Gems & Gemology 1983
Winter p204-205 |
35,62 |
|
|
0,09 |
|
0,03 |
33,38 |
|
|
|
31,02 |
|
Andradite |
slightly orangy yellow |
San Benito County,
California |
USA |
Gems & Gemology 1983
Winter p204-205 |
35,56 |
|
0,07 |
|
|
|
33,29 |
|
|
|
30,52 |
|
Andradite |
yellowish brown |
San Benito County,
California |
USA |
Gems & Gemology 1981
Fall p158 |
36,88 |
0,44 |
0,09 |
0,27 |
|
0,33 |
33,3 |
|
0,3 |
0,02 |
28,37 |
|
Andradite - demantoid |
green |
San Benito County,
California |
USA |
Gems & Gemology 1981
Fall p158 |
36,03 |
0,06 |
0,01 |
0,03 |
|
0,02 |
33,09 |
|
0,97 |
0,04 |
29,75 |
|