Hydrochlorborite

A valid IMA mineral species - grandfathered

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Hydrochlorborite

Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile

Hydrochlorborite

Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile

Hydrochlorborite

Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile

Hydrochlorborite

Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile

Hydrochlorborite

Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile

Hydrochlorborite

Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile

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About HydrochlorboriteHide

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Formula:

Ca₄B₈O₁₅Cl₂ · 21H₂O

Lustre:

Vitreous, Dull

Hardness:

2½

Specific Gravity:

1.83 - 1.85

Crystal System:

Monoclinic

Co-Type Localities:

ⓘ Salar de Carcote, Ollagüe, El Loa Province, Antofagasta, Chile
ⓘ China

This page provides mineralogical data about Hydrochlorborite.

Unique IdentifiersHide

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Mindat ID:

1970

Long-form identifier:

mindat:1:1:1970:1

GUID
(UUID V4):

206b9037-45be-4116-9420-04ff770218cc

Classification of HydrochlorboriteHide

Mineral SymbolsHide

Physical Properties of HydrochlorboriteHide

Optical Data of HydrochlorboriteHide

Type:

Biaxial (+)

RI values:

n_α = 1.499 - 1.501 n_β = 1.502 - 1.504 n_γ = 1.520 - 1.521

2V:

Measured: 45° to 46°, Calculated: 44°

Max Birefringence:

δ = 0.021

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Low

Dispersion:

r > v

Chemical Properties of HydrochlorboriteHide

Crystallography of HydrochlorboriteHide

Crystallographic forms of HydrochlorboriteHide

Crystal Atlas:

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Hydrochlorborite - Tabular {001}

3d models and HTML5 code kindly provided by www.smorf.nl.

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

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0000683	Hydrochlorborite	Brown G E, Clark J R (1978) Crystal structure of hydrochlorborite, Ca2[B3O3(OH)4.OB(OH)3]Cl.7H2O, a seasonal evaporite mineral American Mineralogist 63 814-823		1978		0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Hydrochlorborite' loop_ _publ_author_name 'Brown G E' 'Clark J R' _journal_name_full 'American Mineralogist' _journal_volume 63 _journal_year 1978 _journal_page_first 814 _journal_page_last 823 _publ_section_title ; Crystal structure of hydrochlorborite, Ca2[B3O3(OH)4.OB(OH)3]Cl.7H2O, a seasonal evaporite mineral ; _database_code_amcsd 0000683 _chemical_formula_sum 'Ca2 B4 Cl O18 H21' _cell_length_a 22.783 _cell_length_b 8.745 _cell_length_c 17.066 _cell_angle_alpha 90 _cell_angle_beta 96.705 _cell_angle_gamma 90 _cell_volume 3376.929 _exptl_crystal_density_diffrn 1.841 _symmetry_space_group_name_H-M 'I 1 2/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2-x,y,-z' '-x,1/2+y,1/2-z' '1/2+x,-y,z' '+x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-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 Ca1 0.03304 0.17170 0.16190 ? Ca2 0.21377 0.05750 0.29560 ? B1 0.15920 0.31500 0.19140 ? B2 0.18970 0.46660 0.31660 ? B3 0.08840 0.49020 0.24690 ? B4 -0.01070 0.55960 0.17140 ? Cl 0.13350 0.63560 0.00840 ? O1 0.19390 0.32890 0.26930 ? O2 0.10070 0.39040 0.18850 ? O3 0.12930 0.53010 0.30760 ? O4 0.03360 0.55560 0.24140 ? O5 0.14750 0.14980 0.18030 ? O6 0.19340 0.37640 0.13120 ? O7 0.20560 0.43550 0.40120 ? O8 0.23180 0.57930 0.28870 ? O9 -0.05750 0.65340 0.19750 ? O10 -0.03020 0.40010 0.15070 ? O11 0.01100 0.63230 0.10210 ? O12 0.05470 0.21420 0.02690 ? O13 0.06100 0.91450 0.13540 ? O14 0.05610 0.57590 0.42180 ? O15 0.23790 -0.16010 0.39170 ? O16 0.13580 0.85850 0.27670 ? O17 0.16370 0.14880 0.40390 ? O18 0.17450 0.99430 0.04430 ? H1 0.15800 0.12000 0.14700 0.05066 H2 0.15900 0.43100 0.09600 0.07599 H3 0.24500 0.45100 0.41800 0.01267 H4 0.24200 0.66800 0.32800 0.01267 H5 -0.10300 0.67000 0.15300 0.11399 H6 -0.06100 0.37900 0.10200 0.07599 H7 0.05000 0.57000 0.08800 0.03800 H8 0.06400 0.15800 0.00300 0.13932 H9 0.03800 0.25700 -0.00300 0.03800 H10 0.03700 0.81300 0.11700 0.08866 H11 0.09800 0.87700 0.16000 0.06333 H12 0.08600 0.56400 0.36500 0.01267 H13 0.07900 0.63300 0.45600 0.06333 H14 0.21100 -0.17300 0.42300 0.06333 H15 0.27700 -0.18300 0.42200 0.02533 H16 0.14200 0.78500 0.27700 0.18998 H17 0.09300 0.84500 0.29400 0.10132 H18 0.15700 0.11100 0.44000 0.03800 H19 0.17400 0.24100 0.40900 0.05066 H20 0.18500 0.10400 0.00400 0.10132 H21 0.15800 0.90700 0.04600 0.17731 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 Ca1 0.01945 0.01201 0.01252 -0.00200 0.00466 0.00075 Ca2 0.01764 0.01472 0.01179 0.00050 0.00447 0.00150 B1 0.01297 0.01201 0.00728 -0.00401 0.00194 0.00451 B2 0.02334 0.01705 0.01601 -0.00401 0.00583 0.00375 B3 0.01038 0.00000 0.02038 -0.00100 0.00389 0.00526 B4 0.01297 0.01705 0.01455 0.00100 0.00194 0.00075 Cl 0.03320 0.02635 0.02052 0.00501 0.00505 0.00150 O1 0.02075 0.01395 0.00728 0.00200 0.00000 -0.00075 O2 0.01297 0.01550 0.00146 0.00702 -0.00194 -0.00075 O3 0.01297 0.02635 0.02038 0.00702 -0.00583 -0.01051 O4 0.02075 0.01898 0.01892 0.00200 0.00583 -0.01126 O5 0.02594 0.01046 0.00728 -0.00301 0.00583 -0.00676 O6 0.02075 0.02092 0.01164 -0.00100 0.00777 0.00000 O7 0.02853 0.02092 0.00437 0.00100 0.00000 -0.00150 O8 0.02334 0.02247 0.01455 -0.00401 0.00777 -0.00150 O9 0.02075 0.02751 0.01892 -0.00601 0.00583 0.00976 O10 0.02075 0.01821 0.02474 -0.00100 0.00194 0.00601 O11 0.03113 0.01976 0.01164 -0.00301 0.00583 0.00451 O12 0.04928 0.03990 0.01892 0.00802 0.01360 0.00676 O13 0.03631 0.02015 0.03202 -0.00401 0.00389 -0.00676 O14 0.02594 0.03797 0.01746 0.00702 0.00777 -0.00225 O15 0.03113 0.02480 0.01892 -0.00100 0.00000 0.00150 O16 0.02853 0.01782 0.03347 0.00000 0.00000 0.00451 O17 0.04150 0.02402 0.01601 -0.00100 0.01360 0.00150 O18 0.03631 0.03913 0.01746 -0.00501 0.00777 -0.00601

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Geological EnvironmentHide

Type Occurrence of HydrochlorboriteHide

Other Language Names for HydrochlorboriteHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for HydrochlorboriteHide

References for HydrochlorboriteHide

Reference List:

Year ⬇Author Title Publisher

American Mineralogist 62, 147-150.

Chien Tzu-Chiang and Chen Su-Chien (1965): Brief note on preliminary results of a study of a new borate mineral - Hydrochlorborite: Ca4B8O15Cl2 * 22H2O. Scientia Sinica 14, 945-946 (in Russian).

Qian Ziqiang, Chen Shuzhen, Ma Shinian, and Liu Xunjian (1965): Hydrochlorborite, a new hydrous chlor-borate mineral. Acta Geologica Sinica 45(2), 209-216 (in Chinese with English abstract). - American Mineralogist 50, 2099 (abstract).

Qian Ziqiang, Chen Shuzhen, Ma Shinian, and Liu Xunjian (1965): Hydrochlorborite, a new hydrous chlor-borate mineral. Acta Geologica Sinica 45(2), 209-216 (in Chinese with English abstract).

Brown & Clark (1978), Crystal structure of hydrochlorborite, A seasonal evaporite mineral: American Mineralogist 63, 814-823.

Chukanov, N.V. (2014): Infrared spectra of mineral species: Extended library. Springer (Springer Geochemistry/Mineralogy), vol. 1, Dordrecht, 1726 pp.

Localities for HydrochlorboriteHide

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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 symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- 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.

Chile (TL)
Antofagasta El Loa Province Ollagüe ⓘ Salar de Carcote (TL)	AmMin. 62:147-150 (1977)
China (TL)
Qinghai Haixi Mongol and Tibetan Autonomous Prefecture ⓘ Mangnai City (Mangya Co.)	Shaoxiu Yang (1991): Journal of Lake Sciences 3(1), 1-10 Qishun Fan, Haizhou Ma, Hongbing Tan, Tingwei Li, and Jianxin Xu (2007): Acta Geoscientica Sinica 28(5), 446-455
Turkey
Eskişehir Province Seyitgazi District Kirka ⓘ Sarıkaya B deposit	Koçak, İ. & Koç, Ş. (2016): Geochemical characteristics of Kırka (Sarıkaya) borate deposit, northwestern Anatolia, Turkey. Journal of Earth System Science: 125: 147-164 forum.amiminerals.it (2016) http://forum.amiminerals.it/viewtopic.php?f=5&t=12548 (2016)