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Ancylite Supergroup

A group of related mineral species

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Photos of Ancylite Supergroup (296)

Ancylite Supergroup Gallery Search Photos of Ancylite Supergroup

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Ancylite-(Ce)

Heimsjø, Snåsa, Trøndelag, Norway

Calcioancylite-(Ce)

Guisachan Quarry, Tomich, North， West and Central Sutherland, Highland, Scotland, UK

Kozoite-(La)

Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan

Ancylite-(Ce)

Heimsjø, Snåsa, Trøndelag, Norway

Calcioancylite-(Ce)

Guisachan Quarry, Tomich, North， West and Central Sutherland, Highland, Scotland, UK

Kozoite-(La)

Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan

Ancylite-(Ce)

Heimsjø, Snåsa, Trøndelag, Norway

Calcioancylite-(Ce)

Guisachan Quarry, Tomich, North， West and Central Sutherland, Highland, Scotland, UK

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About Ancylite SupergroupHide

Formula:

(M³⁺ _xM²⁺_2-x)(CO₃)₂[(OH)_x · (2-x)H₂O]

(1 ≤ x ≤ 2, Z = 2).
(M = La³⁺,Ce³⁺, Nd³⁺, Ca²⁺, Sr²⁺ and Pb²⁺)

This page provides mineralogical data about Ancylite Supergroup.

Unique IdentifiersHide

Mindat ID:

471015

Long-form identifier:

mindat:1:1:471015:4

GUID
(UUID V4):

d00e3e25-4712-4577-a949-4dea381c0eba

IMA Classification of Ancylite SupergroupHide

IMA status notes:

IMA Approved Group Name

Chemistry of Ancylite SupergroupHide

Mindat Formula:

(M³⁺ _xM²⁺_2-x)(CO₃)₂[(OH)_x · (2-x)H₂O]

(1 ≤ x ≤ 2, Z = 2).
(M = La³⁺,Ce³⁺, Nd³⁺, Ca²⁺, Sr²⁺ and Pb²⁺)

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	Temp (K)
0000454	Ancylite-(Ce)	dal Negro A, Rossi G, Tazzoli V (1975) The crystal structure of ancylite, (RE)x(Ca,Sr)2-x(CO3)2(OH)x(2-x)H2O American Mineralogist 60 280-284	1975	Mont St. Hilaire, Quebec, Canada	293
0006385	Calcioancylite-(Nd)	Orlandi P, Pasero M, Vezzalini G (1990) Calcio-ancylite-(Nd), a new REE-carbonate from Baveno, Italy European Journal of Mineralogy 2 413-418	1990	Baveno, Italy	293
0010477	Gysinite-(Nd)	Feng W J, Zhou G P, Liu Z B, Xu Y (2007) Nd(CO3)(OH) from single-crystal data Acta Crystallographica E63 i174-i174	2007	synthetic	293
0010922	Gysinite-(Nd)	Chabot B, Sarp H (1985) Structure refinement of gysinite La.16Nd1.18Pb0.66(CO3)2(OH)1.34(H2O).66 Zeitschrift fur Kristallographie 171 155-158	1985	Shinkolobwe, Shaba - Zaire	293
0014913	Ancylite-(La)	Petersen O V, Niedermayr G, Gault R A, Brandstatter F, Micheelsen H I, Giester G (2001) Ancylite-(La) from the Ilimaussaq alkaline complex, South Greenland Neues Jahrbuch fur Mineralogie, Monatshefte 2001 493-504	2001	Ilimaussaq alkaline complex, South Greenland	293
0002475	Kozoite-(Nd)	Miyawaki R, Matsubara S, Yokoyama K, Takeuchi K, Nakai I, Terada Y (2000) Kozoite-(Nd), Nd(CO3)(OH), a new mineral in an alkali olivine basalt from Hizen-cho, Saga Prefecture, Japan American Mineralogist 85 1076-1081	2000		293
0019379	Kozoite-(Nd)	Tahara T, Nakai I, Miyawaki R, Matsubara S (2007) Crystal chemistry of RE(CO3)OH Zeitschrift fur Kristallographie 222 326-334	2007	synthetic	293
0014241	Kozoite-(Nd)	Dexpert H, Caro P (1974) Determination de la structure cristalline de la variete a des hydroxycarbonates de terres rares LnOHCO3(Ln=Nd) Materials Research Bulletin 9 1577-1586	1974	synthetic	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Ancylite-(Ce)'
loop_
_publ_author_name
'dal Negro A'
'Rossi G'
'Tazzoli V'
_journal_name_full 'American Mineralogist'
_journal_volume 60 
_journal_year 1975
_journal_page_first 280
_journal_page_last 284
_publ_section_title
;
 The crystal structure of ancylite, (RE)x(Ca,Sr)2-x(CO3)2(OH)x(2-x)H2O
;
_database_code_amcsd 0000454
_chemical_compound_source 'Mont St. Hilaire, Quebec, Canada'
_chemical_formula_sum '(Ce.41 La.28 Sr.2 Ca.11) C O4 H1.31'
_cell_length_a 5.03
_cell_length_b 8.52
_cell_length_c 7.29
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 312.417
_exptl_crystal_density_diffrn      4.159
_symmetry_space_group_name_H-M 'P m c n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-x,y,z'
  '1/2+x,-y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ce   0.25000   0.33990   0.64760   0.41000   0.01013
La   0.25000   0.33990   0.64760   0.28000   0.01013
Sr   0.25000   0.33990   0.64760   0.20000   0.01013
Ca   0.25000   0.33990   0.64760   0.11000   0.01013
C   0.75000   0.19050   0.80990   1.00000   0.01001
O1   0.75000   0.31810   0.72100   1.00000   0.02292
O2   0.52970   0.12180   0.85200   1.00000   0.01963
O-H3   0.25000   0.41350   0.97490   0.69000   0.03078
Wat3   0.25000   0.41350   0.97490   0.31000   0.03078
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
Ce 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
La 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
Sr 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
Ca 0.01064 0.00919 0.01050 0.00000 0.00000 -0.00063
C 0.01064 0.00405 0.01508 0.00000 0.00000 0.00346
O1 0.02051 0.01912 0.02908 0.00000 0.00000 0.01164
O2 0.01577 0.02023 0.02288 -0.00369 0.00149 0.00189
O-H3 0.04076 0.03420 0.01696 0.00000 0.00000 0.01196
Wat3 0.04076 0.03420 0.01696 0.00000 0.00000 0.01196

Geological EnvironmentHide

Geological Setting:

alkaline rocks as late accessories or, in some types of carbonatites, even rock-forming minerals, important concentrators of light rare earth elements (LREE) and strontium.

Relationship of Ancylite Supergroup to other SpeciesHide

Group Members:

Ancylite Group	(M³⁺ _xM²⁺_2-x)(CO₃)₂[(OH)_x · (2-x)H₂O]
Ancylite-(Ce)	CeSr(CO₃)₂(OH) · H₂O	Orth. mmm (2/m 2/m 2/m)
Ancylite-(La)	LaSr(CO₃)₂(OH) · H₂O	Orth. mmm (2/m 2/m 2/m)
Calcioancylite-(Ce)	(Ce,Ca,Sr)CO₃(OH,H₂O)	Orth. mmm (2/m 2/m 2/m)
Calcioancylite-(La)	(LaCa)(CO₃)₂(OH) · H₂O	Orth. mmm (2/m 2/m 2/m)
Calcioancylite-(Nd)	Ca(Nd,La,Ce)(CO₃)₂(OH)_.H₂O	Mon. m : Pm
Gysinite-(Ce)	PbCe(CO₃)₂(OH)(H₂O)	Orth. mmm (2/m 2/m 2/m)
Gysinite-(La)	PbLa(CO₃)₂(OH) · H₂O	Orth. mmm (2/m 2/m 2/m)
Gysinite-(Nd)	PbNd(CO₃)₂(OH) · H₂O	Orth. mmm (2/m 2/m 2/m)
Kozoite Group	(M³⁺ _xM²⁺_2-x)(CO₃)₂[(OH)_x · (2-x)H₂O]
Kozoite-(La)	(La,Nd)(CO₃)(OH)	Orth. mm2
Kozoite-(Nd)	(Nd,La,Sm,Pr)(CO₃)(OH)	Orth. mmm (2/m 2/m 2/m)