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Andradite-Uvarovite Series

A solid-solution series between two end-member minerals

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Photos of Andradite-Uvarovite Series (4294)Recorded Ages and Analyses Discuss Andradite-Uvarovite Series

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Edit Andradite-Uvarovite Series Add Synonym Edit CIF structures Clear Cache

Andradite

Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada

Andradite, etc.

Marki Khel, Sherzad District, Nangarhar, Afghanistan

Andradite, etc.

Black Diamond One claim, Santa Rita Peak, San Benito County, California, USA

Andradite

Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada

Andradite, etc.

Marki Khel, Sherzad District, Nangarhar, Afghanistan

Andradite, etc.

Black Diamond One claim, Santa Rita Peak, San Benito County, California, USA

Andradite

Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada

Andradite, etc.

Marki Khel, Sherzad District, Nangarhar, Afghanistan

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About Andradite-Uvarovite SeriesHide

Series Formula:

Ca₃Fe₂³⁺(SiO₄)₃ to Ca₃Cr₂(SiO₄)₃

A series between Andradite and Uvarovite

A solid-solution series between andradite and uvarovite

Unique IdentifiersHide

Mindat ID:

42887

Long-form identifier:

mindat:1:1:42887:7

Chemical AnalysisHide

Oxide wt%:

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
SiO₂	37.74 %	35.69 %	35.51 %	34.90 %	35.94 %	35.52 %	35.75 %	32.79 %	36.7 %	35.6 %	34.13 %	36.22 %	37.40 %	37.31 %	35.88 %
TiO₂	0.81 %	0.041 %	0.04 %		0.01 %		0.02 %	0.1 %	0.71 %		1.53 %	0.22 %	0.10 %
Al₂O₃	8.26 %	0.73 %	0.11 %	0.01 %	0.08 %	0.02 %	0.14 %	0.02 %	7.84 %	2.78 %	1.13 %	7.55 %	8.29 %	5.34 %	1.13 %
Cr₂O₃	2.52 %	0.025 %	1.1 %						1.18 %		26.13 %	18.87 %	18.65 %	22.60 %	27-04 %
FeO	14 %								15.83 %	1.4 %
MnO	0.09 %		0.02 %	0.01 %	0.01 %	0.01 %	0.02 %	0.02 %	0.15 %	0.15 %		0.05 %	0.68 %	0.15 %	0.03 %
MgO	0.46 %		0.26 %	0.08 %	0.30 %	0.06 %	0.21 %	0.08 %	0.29 %		0.08 %	0.06 %	0.58 %	0.25 %	0-04 %
CaO	34.47 %	33.48 %	33.04 %	32.95 %	33.38 %	32.84 %	33.40 %	35.22 %	33.91 %	31.99 %	33.46 %	33.79 %	33.33 %	34.25 %	33.31 %
Fe₂O₃		30.06 %	30.19 %	31.54 %	31.54 %	31.23 %	30.79 %	29.81 %		24.75 %	0.58 %	1.23 %	0.61 %	0.30 %	2.46 %
Na₂O				0.05 %			0.02 %
K₂O				0.02 %
V₂O₃							0.02 %	0.02 %			0.35 %		0.17 %
H₂O										0.01 %
Total:	98.35 %	100.026 %	100.27 %	99.56 %	101.26 %	99.68 %	100.37 %	98.06 %	96.61 %	96.68 %	97.39 %	97.99 %	99.81 %	100.2 %	99.81 %

Empirical formulas:

Sample ID	Empirical Formula
13	(Mg0.07Mn0.05Ca2.86)2.98(Al0.78Fe3+0.04Cr1.18V0.01Ti0.01)2.02Si2.997

Sample references:

ID	Locality	Reference	Notes
1	Belqeys Mountain, Takab County, West Azerbaijan Province, Iran	Chegeni, K., Omran, R., Conte, M. (2021) Mineral chemistry and origin of chromium in uvarovite bearing garnets from Baba-Nazar (NE Takab). Iranian Journal of Crystallography and Mineralogy, 29 (1). 49-62	EMPA analysis of green "demantoid" from Baba Nazar, Iran, Sample B14-1
2	Dossi di Franscia, Franscia, Lanzada, Sondrio Province, Lombardy, Italy	Amthauer, G., Kurtz, W., Rost, F., Schloemer, H. (1974) Chemismus und Genese des Andradits aus dem Serpentinit des Val Malenco (Bernina-Gebiet/Oberitalien) . Schweizerische mineralogische und petrographische Mitteilungen, 54. 691-706	Green idiomorphic crystal (3mm) seated on fissure wall. Demantid variety. Analysed by microprobe
3	Sferlùn asbestos mine, Vallone del Cengiaccio, Lanzada, Sondrio Province, Lombardy, Italy	Bedogné F.. Sciesa E.. Vignola P. (1999). Il “demantoide” della Val Malenco. Rivista Mineralogica Italiana. Vol. 23. No. 4. pp.207–217.	Analysis of green andradite ( demantoid). Data from Corbelli, C. (1992). Studio cristallografico e composizionale di alcuni termini della serie dei granati. Doctoral thesis, University of Milano.
4	Antetezambato Demantoid-Topazolite Mine, Antsakoamanondro, Ambanja District, Diana, Madagascar	Pezzotta, Federico, Adamo, Ilaria, Diella, Valeria (2011) Demantoid and Topazolite from Antetezambato, Northern Madagascar: Review and New Data. Gems & Gemology, 47 (1) 2-14 doi:10.5741/gems.47.1.2	EMPA analysis of green andradite (demantoid).
5	" "	Pezzotta, Federico, Adamo, Ilaria, Diella, Valeria (2011) Demantoid and Topazolite from Antetezambato, Northern Madagascar: Review and New Data. Gems & Gemology, 47 (1) 2-14 doi:10.5741/gems.47.1.2	EMPA analysis of yellowish green andradite (demantoid).
6	" "	Pezzotta, Federico, Adamo, Ilaria, Diella, Valeria (2011) Demantoid and Topazolite from Antetezambato, Northern Madagascar: Review and New Data. Gems & Gemology, 47 (1) 2-14 doi:10.5741/gems.47.1.2	EMPA analysis of brown andradite (topazolite)
7	Muslim Bagh, Killa Saifullah District, Balochistan, Pakistan	Adamo, Ilaria (2015) Demantoid from Balochistan, Pakistan: Gemmological and Mineralogical Characterization. The Journal of Gemmology, 34 (5) 428-433 doi:10.15506/jog.2015.34.5.428	EMPA analysis of peridotite hosted andradite (demantoid) from the vicinity of Muslim Bagh.
8	Poldnevaya village, Polevskoy, Sverdlovsk Oblast, Russia	Karaseva, E. S., Kissin, A. Yu., Murzin, V. V. (2021) The Poldnevskoye deposit of demantoid (Middle Urals): Geology and mineralogy. LITHOSPHERE (Russia), 21 (5) 683-698 doi:10.24930/1681-9004-2021-21-5-683-698	EMPA analysis of dark green andradite (demantoid)
9	Belqeys Mountain, Takab County, West Azerbaijan Province, Iran	Chegeni, K., Omran, R., Conte, M. (2021) Mineral chemistry and origin of chromium in uvarovite bearing garnets from Baba-Nazar (NE Takab). Iranian Journal of Crystallography and Mineralogy, 29 (1). 49-62	EMPA analysis of green "demantoid" from Baba Nazar, Iran
10	Tubussis Farm 22, Dâures Constituency, Erongo Region, Namibia	Urosevic, Maja, Nebel, Oliver, Padrón-Navarta, José Alberto, Rubatto, Daniela (2018) Assessment of O and Fe isotope heterogeneity in garnet from Kakanui (New Zealand) and Erongo (Namibia) European Journal of Mineralogy, 30 (4) 695-710 doi:10.1127/ejm/2018/0030-2755	EMPA analysis of a zoned crystal with an andradite core and grossular rim. This analysis is from the garnet core. The analysis was performed using a Cameca SX100 electron microprobe at the Research School of Earth Sciences (RSES), the Australian National University (ANU) with operating conditions of 15 kV acceleration voltage, and 20 nA beam current focused to 1 mm. Natural and synthetic minerals were used as standards. Fe valence states is calculted.
11	Saranovskii Mine, Sarany, Gornozavodskii District, Perm Krai, Russia	Spiridonov, Ernst M., Alferova, Maria S., Fattykhov, Talgat G. (2006) Gem minerals from the Saranovskoye chromite deposit, western Urals. The Journal of Gemmology, 30 (1) 91-102 doi:10.15506/jog.2006.30.1.91	Uvarovite, analysis corresponds to uv87.33, gro5.63, pyr0.33, and1.84, CaTi4.86
12	" "	Spiridonov, Ernst M., Alferova, Maria S., Fattykhov, Talgat G. (2006) Gem minerals from the Saranovskoye chromite deposit, western Urals. The Journal of Gemmology, 30 (1) 91-102 doi:10.15506/jog.2006.30.1.91	Al- rich uvarovite. uv59.68Gr35.59And3.7Pyr0.25Sps0.12CaTi0.66
13	Outokumpu mining district, North Karelia, Finland	von Knorring, O. L. E. G., Condliffe, E. R. I. C., & Tong, Y. L. (1986). Some mineralogical and geochemical aspects of chromium-bearing skarn minerals from northern Karelia, Finland. Bull. Geol. Soc. Finland, 58(1), 277-292.	Microprobe analysis of a single crystal of uvarovite enclosed in quartz, Outokumpu. The analytical data provided here is the average of 12 analyses taken with 0.5mm spacing across a single crystal (rim-core-rim). The crystal is relatively homogeneous with the composition ranging from uv59.1gr32.8 to uv63.4gr30.7.
14	" "	von Knorring, O. L. E. G., Condliffe, E. R. I. C., & Tong, Y. L. (1986). Some mineralogical and geochemical aspects of chromium-bearing skarn minerals from northern Karelia, Finland. Bull. Geol. Soc. Finland, 58(1), 277-292.	Wet chemical analysis, uvarovite in diopside-tremolite skarn, Outokumpu, Finland. Analyst : O. von Knorring.
15	" "	von Knorring, O. L. E. G., Condliffe, E. R. I. C., & Tong, Y. L. (1986). Some mineralogical and geochemical aspects of chromium-bearing skarn minerals from northern Karelia, Finland. Bull. Geol. Soc. Finland, 58(1), 277-292.	Wet chemical analysis of uvarovite in uvarovite-tremolite-tawmawite-pyrrhotine vein, Analyst: L. Lokka (in P. Eskola, 1933)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Pressure (GPa)	Temp (K)
0000246	Andradite	Novak G A, Gibbs G V (1971) The crystal chemistry of the silicate garnets sample An American Mineralogist 56 791-823	1971	Valmalen, Italy	0	293
0001207	Andradite	Hazen R M, Finger L W (1989) High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments sample in air American Mineralogist 74 352-359	1989		0	293
0001208	Andradite	Hazen R M, Finger L W (1989) High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments American Mineralogist 74 352-359	1989		2	293
0001209	Andradite	Hazen R M, Finger L W (1989) High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments American Mineralogist 74 352-359	1989		3	293
0001210	Andradite	Hazen R M, Finger L W (1989) High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments American Mineralogist 74 352-359	1989		5	293
0001211	Andradite	Hazen R M, Finger L W (1989) High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments American Mineralogist 74 352-359	1989		12.5	293
0001212	Andradite	Hazen R M, Finger L W (1989) High-pressure crystal chemistry of andradite and pyrope: Revised procedures for high-pressure diffraction experiments American Mineralogist 74 352-359	1989		19	293
0001252	Andradite	Lager G A, Armbruster T, Rotella F J, Rossman G R (1989) OH substitution in garnets: X-ray and neutron diffraction, infrared, and geometric-modeling studies sample SB-1 American Mineralogist 74 840-851	1989		0	293
0001253	Andradite	Lager G A, Armbruster T, Rotella F J, Rossman G R (1989) OH substitution in garnets: X-ray and neutron diffraction, infrared, and geometric-modeling studies sample SB-2 American Mineralogist 74 840-851	1989		0	293
0001254	Andradite	Lager G A, Armbruster T, Rotella F J, Rossman G R (1989) OH substitution in garnets: X-ray and neutron diffraction, infrared, and geometric-modeling studies sample SB-3 American Mineralogist 74 840-851	1989		0	293
0001281	Andradite	Kingma K J, Downs J W (1989) Crystal-structure analysis of a birefringent andradite American Mineralogist 74 1307-1316	1989		0	293
0003948	Andradite	Galuskina I O, Galuskin E V, Dzierzanowski P, Armbruster T, Kozanecki M (2005) A natural scandian garnet American Mineralogist 90 1688-1692	2005		0	293
0006469	Andradite	Armbruster T, Geiger C A (1993) Andradite crystal chemistry, dynamic X-site disorder and structural strain in silicate garnets European Journal of Mineralogy 5 59-71	1993		0	293
0006470	Andradite	Armbruster T, Geiger C A (1993) Andradite crystal chemistry, dynamic X-site disorder and structural strain in silicate garnets European Journal of Mineralogy 5 59-71	1993		0	293
0006471	Andradite	Armbruster T, Geiger C A (1993) Andradite crystal chemistry, dynamic X-site disorder and structural strain in silicate garnets European Journal of Mineralogy 5 59-71	1993		0	293
0006472	Andradite	Armbruster T, Geiger C A (1993) Andradite crystal chemistry, dynamic X-site disorder and structural strain in silicate garnets European Journal of Mineralogy 5 59-71	1993		0	293
0006473	Andradite	Armbruster T, Geiger C A (1993) Andradite crystal chemistry, dynamic X-site disorder and structural strain in silicate garnets European Journal of Mineralogy 5 59-71	1993		0	293
0006606	Andradite	Armbruster T (1995) Structure refinement of hydrous andradite, Ca3Fe1.54Mn0.02Al0.26(SiO4)1.65(O4H4)1.35, from the Wessels mine, Kalahari manganese field, South Africa European Journal of Mineralogy 7 1221-1225	1995	Wessels mine, Kalahari manganese field, South Africa	0	293
0006754	Andradite	Armbruster T, Birrer J, Libowitzky E, Beran A (1998) Crystal chemistry of Ti-bearing andradites European Journal of Mineralogy 10 907-921	1998	Baden-Wurtemburg, Germany	0	293
0006755	Andradite	Armbruster T, Birrer J, Libowitzky E, Beran A (1998) Crystal chemistry of Ti-bearing andradites European Journal of Mineralogy 10 907-921	1998	Baden-Wurtemburg, Germany	0	293
0006756	Andradite	Armbruster T, Birrer J, Libowitzky E, Beran A (1998) Crystal chemistry of Ti-bearing andradites European Journal of Mineralogy 10 907-921	1998	N'Zala, Atlas mountains, Morocco	0	293
0006757	Andradite	Armbruster T, Birrer J, Libowitzky E, Beran A (1998) Crystal chemistry of Ti-bearing andradites European Journal of Mineralogy 10 907-921	1998	Zermatt, Valais, Switzerland	0	293
0006758	Andradite	Armbruster T, Birrer J, Libowitzky E, Beran A (1998) Crystal chemistry of Ti-bearing andradites European Journal of Mineralogy 10 907-921	1998	Schaffhausen area, Switzerland	0	293
0006759	Andradite	Armbruster T, Birrer J, Libowitzky E, Beran A (1998) Crystal chemistry of Ti-bearing andradites European Journal of Mineralogy 10 907-921	1998	Okahandja, Namibia	0	293
0006944	Andradite	Agrosi G, Schingaro E, Pedrazzi G, Scandale E, Scordari F (2002) A crystal chemical insight into sector zoning of a titanian andradite ('melanite') crystal European Journal of Mineralogy 14 785-794	2002		0	293
0006945	Andradite	Agrosi G, Schingaro E, Pedrazzi G, Scandale E, Scordari F (2002) A crystal chemical insight into sector zoning of a titanian andradite ('melanite') crystal European Journal of Mineralogy 14 785-794	2002		0	293
0006946	Andradite	Agrosi G, Schingaro E, Pedrazzi G, Scandale E, Scordari F (2002) A crystal chemical insight into sector zoning of a titanian andradite ('melanite') crystal European Journal of Mineralogy 14 785-794	2002		0	293
0007860	Andradite	Woodland A B, Ross C R (1994) A crystallographic and Mossbauer spectroscopy study of Fe3Al2Si3O12-Fe3Fe2Si3O12, (Almandine-"Skiagite") and Ca3Fe2Si3O12-Fe3Fe2Si3O12 (Andradite-"Skiagite") garnet solid solutions Physics and Chemistry of Minerals 21 117-132	1994		0	293
0007864	Andradite	Woodland A B, Ross C R (1994) A crystallographic and Mossbauer spectroscopy study of Fe3Al2Si3O12-Fe3Fe2Si3O12, (Almandine-"Skiagite") and Ca3Fe2Si3O12-Fe3Fe2Si3O12 (Andradite-"Skiagite") garnet solid solutions Physics and Chemistry of Minerals 21 117-132	1994		0	293
0007865	Andradite	Woodland A B, Ross C R (1994) A crystallographic and Mossbauer spectroscopy study of Fe3Al2Si3O12-Fe3Fe2Si3O12, (Almandine-"Skiagite") and Ca3Fe2Si3O12-Fe3Fe2Si3O12 (Andradite-"Skiagite") garnet solid solutions Physics and Chemistry of Minerals 21 117-132	1994		0	293
0009894	Andradite	Pilati T, Demartin F, Gramaccioli C M (1996) Atomic displacement parameters for garnets: A lattice-dynamical evaluation Acta Crystallographica B52 239-250	1996	Val Malenco, Italy	0	293
0000244	Uvarovite	Novak G A, Gibbs G V (1971) The crystal chemistry of the silicate garnets sample Uv American Mineralogist 56 791-823	1971	Washington, Nevada Co, California, USA	0	293
0002723	Uvarovite	Wildner M, Andrut M (2001) The crystal chemistry of birefringent natural uvarovites: Part II. Single-crystal X-ray structures American Mineralogist 86 1231-1251	2001		0	293
0002724	Uvarovite	Wildner M, Andrut M (2001) The crystal chemistry of birefringent natural uvarovites: Part II. Single-crystal X-ray structures American Mineralogist 86 1231-1251	2001		0	293
0002725	Uvarovite	Wildner M, Andrut M (2001) The crystal chemistry of birefringent natural uvarovites: Part II. Single-crystal X-ray structures American Mineralogist 86 1231-1251	2001		0	293
0008734	Uvarovite	Andrut M, Wildner M (2002) The crystal chemistry of birefringent natural uvarovites. Part III. Application of the superposition model of crystal fields with a characterization of synthetic cubic uvarovite Physics and Chemistry of Minerals 29 595-608	2002		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Andradite'
loop_
_publ_author_name
'Novak G A'
'Gibbs G V'
_journal_name_full 'American Mineralogist'
_journal_volume 56 
_journal_year 1971
_journal_page_first 791
_journal_page_last 823
_publ_section_title
;
 The crystal chemistry of the silicate garnets
 sample An
;
_database_code_amcsd 0000246
_chemical_compound_source 'Valmalen, Italy'
_chemical_formula_sum 'Si3 Fe2 Ca3 O12'
_cell_length_a 12.058
_cell_length_b 12.058
_cell_length_c 12.058
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1753.177
_exptl_crystal_density_diffrn      3.851
_symmetry_space_group_name_H-M 'I a -3 d'
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  '1/2+y,1/2+z,1/2+x'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  '-y,-z,-x'
  '1/2-y,1/2-z,1/2-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si   0.37500   0.00000   0.25000
Fe   0.00000   0.00000   0.00000
Ca   0.12500   0.00000   0.25000
O   0.03986   0.04885   0.65555
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Si 0.00508 0.00788 0.00788 0.00000 0.00000 0.00000
Fe 0.00494 0.00494 0.00494 -0.00044 -0.00044 -0.00044
Ca 0.05082 0.00678 0.00678 0.00000 0.00000 0.00037
O 0.00751 0.00847 0.00523 0.00118 -0.00133 0.00015

Common AssociatesHide

Associated Minerals Based on Photo Data:

2 photos of Andradite-Uvarovite Series associated with Diopside	CaMgSi₂O₆
2 photos of Andradite-Uvarovite Series associated with Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
2 photos of Andradite-Uvarovite Series associated with Andradite	Ca₃Fe³⁺₂(SiO₄)₃
1 photo of Andradite-Uvarovite Series associated with Calcite	CaCO₃