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Boracite-Ericaite Series

A solid-solution series between two end-member minerals

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Edit Boracite-Ericaite Series Add Synonym Edit CIF structures Clear Cache

Boracite

Lüneburger Kalkberg, Lüneburg, Lüneburg District, Lower Saxony, Germany

Boracite

Bernburg, Salzlandkreis, Saxony-Anhalt, Germany

Boracite

Lüneburger Kalkberg, Lüneburg, Lüneburg District, Lower Saxony, Germany

Boracite

Lüneburger Kalkberg, Lüneburg, Lüneburg District, Lower Saxony, Germany

Boracite

Bernburg, Salzlandkreis, Saxony-Anhalt, Germany

Boracite

Lüneburger Kalkberg, Lüneburg, Lüneburg District, Lower Saxony, Germany

Boracite

Lüneburger Kalkberg, Lüneburg, Lüneburg District, Lower Saxony, Germany

Boracite

Bernburg, Salzlandkreis, Saxony-Anhalt, Germany

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About Boracite-Ericaite SeriesHide

Series Formula:

Mg₃(B₇O₁₃)Cl to Fe₃²⁺(B₇O₁₃)Cl

A series between Boracite and Ericaite

Unique IdentifiersHide

Mindat ID:

8726

Long-form identifier:

mindat:1:1:8726:7

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)
0010744	Boracite	Dowty E, Clark J R (1973) Crystal-structure refinements for orthorhombic boracite, Mg3B7O13Cl, and a trigonal, iron-rich analogue Zeitschrift fur Kristallographie 138 64-99	1973	Solvayshall, Roschwitz, Germany	293
0019539	Boracite	Ito T, Morimoto N, Sadanaga R (1951) The crystal structure of boracite Acta Crystallographica 4 310-316	1951	Stassfurt, Germany	293
0018134	Boracite	Mehmel M (1932) Kristallstrukturelle Untersuchungen an Borazit _cod_database_code 1011284 Fortschritte der Mineralogie 17 436-438	1932	synthetic	293
0019540	Boracite	Ito T, Morimoto N, Sadanaga R (1951) The crystal structure of boracite Acta Crystallographica 4 310-316	1951	Stassfurt, Germany	573
0000382	Boracite	Sueno S, Clark J R, Papike J J, Konnert J A (1973) Crystal-structure refinement of cubic boracite American Mineralogist 58 691-697	1973	Solvayshall, Roschwitz, Germany	673

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Boracite'
loop_
_publ_author_name
'Dowty E'
'Clark J R'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 138 
_journal_year 1973
_journal_page_first 64
_journal_page_last 99
_publ_section_title
;
 Crystal-structure refinements for orthorhombic boracite,
 Mg3B7O13Cl, and a trigonal, iron-rich analogue
 Note: [.25 .25 0] added to all atoms to move origin to screw axis
;
_database_code_amcsd 0010744
_chemical_compound_source 'Solvayshall, Roschwitz, Germany'
_chemical_formula_sum 'Mg3 B7 O13 Cl'
_cell_length_a 8.5496
_cell_length_b 8.5496
_cell_length_c 12.0910
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 883.800
_exptl_crystal_density_diffrn      2.946
_symmetry_space_group_name_H-M 'P c a 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,-y,z'
  '1/2-x,y,1/2+z'
  '-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg1   0.24170   0.74880   0.47700   0.00747
Mg2   0.48510   0.97040   0.25370   0.00785
Mg3   0.48500   0.52840   0.25140   0.00747
B11   0.49820   0.99830   0.50180   0.00329
B12   0.25600   0.24870   0.24880   0.00545
B13   0.49810   0.50230   0.50160   0.00583
B21   0.25230   0.40370   0.42020   0.00583
B22   0.25350   0.09640   0.42240   0.00633
B23   0.40530   0.24990   0.57350   0.00633
B3   0.54720   0.75000   0.60120   0.00646
O1   0.26730   0.24930   0.49140   0.00507
O21   0.33240   0.97180   0.47940   0.00431
O22   0.41060   0.46070   0.40190   0.00494
O23   0.32890   0.12530   0.31560   0.00519
O24   0.16430   0.52010   0.48130   0.00519
O25   0.08960   0.05720   0.40590   0.00557
O26   0.17700   0.36530   0.31720   0.00633
O27   0.38300   0.33010   0.18650   0.00481
O28   0.53850   0.91130   0.60660   0.00659
O29   0.53370   0.16290   0.52260   0.00367
O210   0.36090   0.17430   0.67640   0.00418
O211   0.45040   0.40970   0.59650   0.00443
O212   0.45750   0.67060   0.52610   0.00570
Cl   0.27410   0.74940   0.26180   0.01165
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
Mg1 0.00555 0.00481 0.01185 -0.00019 0.00031 -0.00105
Mg2 0.00852 0.00778 0.00741 0.00333 0.00016 -0.00105
Mg3 0.00889 0.00778 0.00592 -0.00333 0.00105 -0.00052
B11 0.00444 0.00259 0.00296 0.00148 -0.00209 -0.00157
B12 0.00444 0.00444 0.00741 -0.00111 -0.00209 0.00157
B13 0.00630 0.00481 0.00815 0.00000 0.00052 0.00105
B21 0.00407 0.00259 0.01111 0.00074 0.00052 0.00367
B22 0.00815 0.00481 0.00000 0.00000 -0.00157 0.00262
B23 0.00518 0.00481 0.00148 0.00259 0.00052 -0.00262
B3 0.00778 0.00444 0.00741 0.00037 -0.00262 0.00052
O1 0.00555 0.00296 0.00667 0.00148 -0.00157 -0.00105
O21 0.00259 0.00481 0.00518 -0.00074 -0.00105 -0.00105
O22 0.00555 0.00667 0.00296 -0.00111 0.00157 0.00105
O23 0.00481 0.00518 0.00592 0.00074 0.00000 0.00105
O24 0.00481 0.00407 0.00667 -0.00037 -0.00052 -0.00157
O25 0.00296 0.00481 0.00889 -0.00148 0.00000 0.00052
O26 0.00630 0.00555 0.00741 0.00185 -0.00105 -0.00105
O27 0.00667 0.00518 0.00296 -0.00185 0.00157 -0.00157
O28 0.00704 0.00222 0.01037 0.00111 0.00000 0.00105
O29 0.00630 0.00296 0.00148 -0.00037 0.00052 -0.00157
O210 0.00592 0.00370 0.00296 0.00148 0.00000 0.00052
O211 0.00592 0.00407 0.00370 -0.00037 -0.00052 0.00000
O212 0.00630 0.00370 0.00667 0.00000 -0.00209 -0.00052
Cl 0.01296 0.01037 0.01185 0.00022 0.00042 -0.00031

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Boracite-Ericaite SeriesHide

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References for Boracite-Ericaite SeriesHide

Reference List:

Localities for Boracite-Ericaite SeriesHide

Showing 90 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Afghanistan
Helmand Reg District Khanneshin complex ⓘ Central Khanneshin deposit	[Boracite] Tucker et al. (2012)

Australia
Tasmania West Coast municipality Rosebery district Colebrook Hill ⓘ Colebrook Hill Mine ?	[Boracite] Bottrill

Bolivia
Cochabamba Chapare Province ⓘ Alto Chapare mining district	[Boracite, Ericaite] Wilson (2001)
Cristalmayu subdistrict Campovía ⓘ Tres Amigos Mine	[Boracite] - (unpublished thesis)
Cristalmayu Boston mine ⓘ Paraje Central (Derrumbe Boston)	[Boracite] Petrov (n.d.)
Cristalmayu valley ⓘ Cristalmayu river alluvials	[Boracite] Federico Ahlfeld and Alfredo Petrov ...

Canada
New Brunswick Kings Co. Cardwell Parish Penobsquis ⓘ Potash Corporation of Saskatchewan Mine (PCS Mine; Potash Corporation of America Mine)	[Boracite] Grice et al. (1996) +2 other references
Hammond Parish ⓘ Salt Springs evaporite deposit	[Boracite] Anderle et al. (1979)
Studholm Parish ⓘ Millstream deposit (Millstream property)	[Boracite] Grice et al. (2005)
Nova Scotia Cumberland Co. Pugwash ⓘ Windsor Salt mine	[Boracite] Boehner (1986)

Chile
Atacama Copiapó Province Tierra Amarilla ⓘ El Volcán Mine	[Boracite] Lohmeier et al. (2025)

China
Henan Luoyang Song County ⓘ Huangshui'an Mo-(Pb) deposit	[Boracite] She et al. (2022)
Nanyang Xixia County ⓘ Taiping town deposit (Taipingzhen deposit)	[Boracite] Xiao et al. (2022)
Inner Mongolia Baotou City (Baotou Prefecture) Bayan Obo mining district Bayan Obo ⓘ Bayan Obo deposit	[Boracite] Liu et al. (2025)
Jiangxi Ganzhou Chongyi Co. Lujing Uranium ore field ⓘ Xiaoshan U deposit	[Boracite] Li et al. (2024)
Sichuan Liangshan Yi Huili County ⓘ Lalachang Cu deposit (Lala Cu deposit)	[Boracite] Niu et al. (2024)
Tibet Nagqu Lhari Co. (Jiali Co.) ⓘ Mengya'a Pb-Zn deposit	[Boracite] Jiang et al. (2025)
Yunnan Pu'er Jiangcheng County ⓘ Mengyejing Mine	[Boracite] Xiaosong Xu and Jialing Wu (1983) +1 other reference

France
Grand Est Meurthe-et-Moselle ⓘ ~~Lunéville~~	[Boracite] Palache et al. (1951)

Germany
Lower Saxony Celle District Wathlingen ⓘ Niedersachsen potash mine	[Boracite, Ericaite] Weiß (1990)
Göttingen District Bovenden Reyershausen ⓘ Königshall-Hindenburg mine	[Boracite] Braitsch (1961)
Hanover Region Lehrte ⓘ Bergmannssegen potash mine	[Boracite]
Ronnenberg ⓘ Hansa I potash mine	[Boracite] Weiß (1990)
Sehnde Wehmingen ⓘ Hohenfels potash mine	[Boracite] Palache et al. (1951)
Uetze Hänigsen ⓘ Riedel Potash Works	[Boracite, Ericaite] Weiß (1990)
Wunstorf Bokeloh ⓘ Sigmundshall mine	[Boracite] Gerstenberg (n.d.)
Helmstedt District Grasleben ⓘ Braunschweig-Lüneburg mine	[Boracite] Emser Hefte 1990 (1)
Hildesheim District Diekholzen ⓘ Hildesia potash mine	[Boracite] Palache et al. (1951)
Giesen ⓘ Siegfried-Giesen Potash Works	[Boracite] Aufschluss 1987 (4)
Leinebergland ⓘ Eime	[Boracite] Lavinsky (n.d.)
Lüneburg District Lüneburg ⓘ Lüneburger Kalkberg	[Boracite] Hoffmann (1789) +3 other references
ⓘ Schildstein	[Boracite] Palache et al. (1951)
Saxony-Anhalt Börde Flechtingen Ingersleben Morsleben ⓘ Bartensleben Shaft	[Boracite] www.mineralienatlas.de (n.d.)
Harz Halberstadt ⓘ Wilhelmshall	[Boracite] Mineralogical Society of America - ...
Saalekreis Landsberg ⓘ Delitzsch Complex	[Boracite] Wand et al. (1989) +3 other references
Salzlandkreis Aschersleben ⓘ Aschersleben I potash mine	[Boracite] Feit (1889) +1 other reference
Bernburg ⓘ Friedenshall (Solvayhall)	[Boracite] Palache et al. (1951) +1 other reference
ⓘ Gröna Mine	[Boracite] Günther (1999)
Börde-Hakel ⓘ Westeregeln	[Boracite, Boracite var: Stassfurtite] ...
ⓘ Douglashall I-II potash mine	[Boracite] Naumann +1 other reference
ⓘ Douglashall III potash mine	[Boracite] Palache et al. (1951)
Bördeaue Tarthun ⓘ Brefeld potash mine	[Boracite] Brockt et al. (2001)
Staßfurt ⓘ Berlepsch-Maybach potash mine	[Boracite] Mineralogical Society of America - ...
ⓘ Friedrichshall potash mine	[Boracite] Naumann +1 other reference
ⓘ Leopoldshall potash mine	[Boracite] ...
ⓘ Staßfurt potash deposit	[Ericaite] Wittern (2001)
Schleswig-Holstein Segeberg Bad Segeberg ⓘ Segeberger Kalkberg	[Boracite] Palache et al. (1951) +1 other reference
Thuringia Eichsfeld District Am Ohmberg Bischofferode potash mine ⓘ Holungen shaft	[Boracite, Ericaite] Zeitschrift fUr Kristallographie et al. (1973) +1 other reference
Kyffhäuser District Sondershausen ⓘ Glückauf mine	[Boracite] Christian Bracke and M. Kampf specimens
Nordhausen District ⓘ Bleicherode	[Boracite] Effmert +1 other reference
Wartburg District Krayenberggemeinde ⓘ Merkers mine	[Boracite] Heide et al. (1964)

Kazakhstan
Atyrau Region Inder District ⓘ Inder B deposit and salt dome	[Boracite] Pekov et al. (1993) +2 other references
West Kazakhstan Region Oral ⓘ Satimola salt dome	[Boracite] Mineralogical Society of America - ... +2 other references
Terekti District Aksai Valley ⓘ Chelkar salt dome	[Boracite, Ericaite] Handbook of Mineralogy Vol V p 6 +5 other references

Laos
Khammouane Province Thakhek District ⓘ Dong Tai potash deposit	[Boracite] GAO et al. (2012)

Poland
Greater Poland Voivodeship Koło County Gmina Kłodawa ⓘ Kłodawa salt deposit	[Boracite] Jirásek +7 other references
Kuyavian-Pomeranian Voivodeship Inowrocław County Inowrocław ⓘ Solno mine	[Boracite] Praszkier (2010)
Lower Silesian Voivodeship Lubin County Lubin ⓘ Lubin Główny shafts	[Boracite] Kucha (1979) +1 other reference

Republic of the Congo
Kouilou Department ⓘ Mengo mine area	[Boracite] Henry Rauche (2009)

Russia
Buryatia Mama River Basin Maigunda River ⓘ Burpala alkaline massif	[Boracite] Vladykin et al. (2017)
Irkutsk Oblast Lower Tunguska Nepa River basin ⓘ Nepskoe K salt deposit	[Boracite] Pekov et al. (2001) +2 other references
Nizhneilimsky District Zheleznogorsk-Ilimsky ⓘ Korshunovskoye iron deposit	[Boracite] Mazurov et al. (2007)

South Africa
Western Cape West Coast District Municipality Bergrivier Local Municipality Piketberg ⓘ Riviera deposit	[Boracite] Rozendaa et al. (2012)

Thailand
Nakhon Ratchasima Province Chaloem Phra Kiat district ⓘ Friendship Highway boreholes	[Boracite] Suwanich (2010)

UK
England North Yorkshire Redcar and Cleveland Loftus ⓘ Boulby Mine	[Boracite, Ericaite, Boracite var: Iron-bearing Boracite] BMS Collection +3 other references
Scarborough Aislaby ⓘ Eskdale No. 2 borehole (Aislaby)	[Boracite] Palache et al. (1951)
LCPs of Fylingdales and Hawsker-cum-Stainsacre ⓘ York Potash borehole SM4	[Boracite] Smith et al. (2014)
ⓘ Whitby	[Boracite, Ericaite] Smith et al. (2014)
ⓘ York Potash Project	[Boracite] Kemp et al. (2016)

USA
Alabama Clarke County ⓘ Central Salt Works Louann Salt	[Boracite] Mineralogical Society of America - ...
ⓘ Salt swell	[Boracite] Rocks & Min.: 64:472. +1 other reference
California San Bernardino County Calico Mts (Calico Hills) Calico District (Daggett District; Calico-Daggett area) Calico ⓘ Pacific Mine (Pacific Coast Borax Company properties; Borate; Borate Colemanite Mines; Calico; Old Borate; Pacific Coast Borax Co. workings)	[Boracite] Justin Zzyzx specimen
Yermo (Marian; Marion; Otis) ⓘ ~~Unnamed B occurrence [1]~~	[Boracite] Error in 1930s State publication
Louisiana Ascension Parish Darrow ⓘ Darrow dome (Donaldsonville dome)	[Boracite] Smith (1994)
Iberville Parish Plaquemine ⓘ Choctaw Salt Dome	[Boracite] American Mineralogist 23:898 +1 other reference
Plaquemines Parish ⓘ Lake Hermitage dome	[Boracite] Smith (1994)
ⓘ Potash dome	[Boracite] R&M 69:3 pp 156-162
ⓘ Venice Salt dome	[Boracite, Ericaite] Smith (1994)
Wyoming Crook County ⓘ Bear Lodge alkaline igneous complex	[Boracite] Van Rythoven et al. (2020)
ⓘ Bull Hill nepheline-syenite deposit (Bull Hill carbonatite; Bear Lodge carbonatite)	[Boracite] Hutchinson et al. (2022)

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