Santite

A valid IMA mineral species

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Photos of Santite (2)

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Santite, etc.

Eagle Borax Spring, Inyo County, California, USA

Santite

Eagle Borax Spring, Inyo County, California, USA

Santite, etc.

Eagle Borax Spring, Inyo County, California, USA

Santite

Eagle Borax Spring, Inyo County, California, USA

Santite, etc.

Eagle Borax Spring, Inyo County, California, USA

Santite

Eagle Borax Spring, Inyo County, California, USA

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About SantiteHide

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Giorgio G. Santi

Formula:

K[B₅O₆(OH)₄] · 2H₂O

Colour:

Colourless

Lustre:

Vitreous

Specific Gravity:

1.74 (Calculated)

Crystal System:

Orthorhombic

Member of:

Sborgite Group

Name:

Named in honor of Giorgio Galgano Santi (15 April 1746, Montieri, Tuscany, Italy - 30 December 1823, Pienza, Tuscany, Italy), naturalist, Professor of Natural Sciences in Pisa, and director of the Museum of Natural History, Pisa.

Type Locality:

ⓘ Larderello, Pomarance, Pisa Province, Tuscany, Italy

This page provides mineralogical data about Santite.

Unique IdentifiersHide

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Mindat ID:

3527

Long-form identifier:

mindat:1:1:3527:5

GUID
(UUID V4):

0cd63773-fc73-4796-a403-4372a63719ab

Classification of SantiteHide

Mineral SymbolsHide

Physical Properties of SantiteHide

Optical Data of SantiteHide

Type:

Biaxial (+)

RI values:

n_α = 1.422(2) n_β = 1.435(2) n_γ = 1.480(1)

2V:

Measured: 70°

Max Birefringence:

δ = 0.058

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

Surface Relief:

Moderate

Dispersion:

relatively strong

Chemical Properties of SantiteHide

Crystallography of SantiteHide

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	Link	Year	Locality	Pressure (GPa)	Temp (K)
0010569	Santite	Zachariasen W H (1937) The crystal structure of potassium acid dihydronium pentaborate KH2(H3O)2B5O10, (potassium pentaborate tetrahydrate) Zeitschrift fur Kristallographie 98 266-274		1937	synthetic	0	293
0018018	Santite	Zachariasen W (1938) The crystal structure of potassium acid dihydronium pentaborate K H2 (H3 O)2 B5 O10, (potassium pentaborate tetrahydrate) _cod_database_code 1011124 Zeitschrift fur Kristallographie 98 266-274		1938		0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Santite' loop_ _publ_author_name 'Zachariasen W H' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 98 _journal_year 1937 _journal_page_first 266 _journal_page_last 274 _publ_section_title ; The crystal structure of potassium acid dihydronium pentaborate KH2(H3O)2B5O10, (potassium pentaborate tetrahydrate) ; _database_code_amcsd 0010569 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'K B5 O12' _cell_length_a 11.08 _cell_length_b 11.14 _cell_length_c 8.97 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1107.178 _exptl_crystal_density_diffrn 1.711 _symmetry_space_group_name_H-M 'A b a 2' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,1/2-y,z' '1/2+x,-y,1/2+z' '1/2-x,1/2+y,z' '1/2-x,+y,1/2+z' '-x,-y,z' '-x,1/2-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K 0.00000 0.00000 0.00000 B1 0.00000 0.00000 0.38890 B2 0.19440 0.09720 0.31940 B3 0.19440 -0.06940 0.50000 O1 0.07640 0.08330 0.29170 O2 0.07640 -0.08330 0.48610 O3 0.22220 -0.13890 0.08330 O4 0.25000 0.02080 0.41670 O5 0.25000 0.18060 0.25000 O6 0.00000 0.16670 0.75000

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of SantiteHide

Synonyms of SantiteHide

Other Language Names for SantiteHide

Relationship of Santite to other SpeciesHide

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Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for SantiteHide

References for SantiteHide

Reference List:

Zachariasen, W.H. (1937) The crystal structure of potassium acid dihydronium pentaborate KH2(H3O)2B5O10, (potassium pentaborate tetrahydrate). Zeitschrift für Kristallographie: 98: 266-274.

Merlino, S., Sartori, F. (1970) Santite, a New Mineral Phase from Larderello, Tuscany. Contributions to Mineralogy and Petrology: 27: 159-165.

Merlino, S., Sartori, F. (1970) Santite, a New Mineral Phase from Larderello, Tuscany. Contributions to Mineralogy and Petrology: 27: 159-165.

Fleischer, M. (1971) New mineral names. American Mineralogist: 56: 631-640.

Grew, Edward S., Anovitz, Lawrence M., Grew, Edward S., Anovitz, Lawrence M. - Eds. (1996) Boron - Mineralogy, Petrology and Geochemistry. Reviews in Mineralogy Vol. 33. Mineralogical Society of America

Localities for SantiteHide

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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.

Italy
Sicily Metropolitan City of Messina Eolie Islands (Aeolian Islands) Lipari Vulcano Island ⓘ La Fossa crater	Campostrini I. et al - Vulcano: ein aussergewohnlicher Fundpunkt von neuen und seltenen Mineralien - MineralienWelt 2010 - nr.3 - p.40-57
Tuscany Pisa Province Pomarance ⓘ Larderello (TL)	Merlino, S., and Sartori, F. (1970): Santite, a New Mineral Phase from Larderello, Tuscany. Contributions to Mineralogy and Petrology 27, 159-165.
Kazakhstan
Aktobe Region Shalkar Aksai Valley ⓘ Chelkar salt dome	Коротченкова, О. В., & Чайковский, И. И. (2016). БОРНЫЕ МИНЕРАЛЫ ЧЕЛКАРСКОГО МЕСТОРОЖДЕНИЯ. Проблемы минералогии, петрографии и металлогении. Научные чтения памяти ПН Чирвинского, (19), 55-65.
USA
California Inyo County ⓘ Eagle Borax Spring	a spectroscopic exploration. Economic Geology: 91: 622-635. Crowley, J.K. (1996) Mg- and K-bearing borates and associated evaporites at Eagle Borax Spring, Death Valley, California