Sassolite

Sassolite

La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Messina Province, Sicily, Italy

Sassolite

Anna Mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany

Sassolite

Vulcano Island, Lipari, Eolie Islands, Messina Province, Sicily, Italy

Sassolite

La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Messina Province, Sicily, Italy

Sassolite

Anna Mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany

Sassolite

Vulcano Island, Lipari, Eolie Islands, Messina Province, Sicily, Italy

Sassolite

La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Messina Province, Sicily, Italy

Sassolite

Anna Mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany

About SassoliteHide

View of the Sasso Pisano soffioni area, ca. 1920.

Sasso Pisano, Castelnuovo di Val di Cecina, Pisa Province, Tuscany, Italy

Formula:

H₃BO₃

Colour:

White to grey, occasionally colourless, yellow or brown.

Lustre:

Pearly

Hardness:

1

Specific Gravity:

1.46 - 1.5

Crystal System:

Triclinic

Name:

Named after its discovery locality, Sasso, Tuscany, Italy.

Type Locality:

ⓘ Sasso Pisano, Castelnuovo di Val di Cecina, Pisa Province, Tuscany, Italy

This page provides mineralogical data about Sassolite.

Classification of SassoliteHide

Physical Properties of SassoliteHide

Optical Data of SassoliteHide

Type:

Biaxial (-)

RI values:

n_α = 1.340 n_β = 1.456 n_γ = 1.459

2V:

Measured: 5° , Calculated: 16°

Max Birefringence:

δ = 0.119

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

Surface Relief:

Moderate

Dispersion:

none

Chemical Properties of SassoliteHide

Crystallography of SassoliteHide

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)
0009809	Sassolite	Gajhede M, Larsen S, Rettrup S (1986) Electron density of orthoboric acid determined by X-ray diffraction at 105 K and ab initio calculations Acta Crystallographica B42 545-552		1986	synthetic	0	293
0018735	Sassolite	Zachariasen W H (1934) The crystal lattice of boric acid, BO3H3 Zeitschrift fur Kristallographie 88 150-161		1934	synthetic	0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Sassolite' loop_ _publ_author_name 'Gajhede M' 'Larsen S' 'Rettrup S' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 42 _journal_year 1986 _journal_page_first 545 _journal_page_last 552 _publ_section_title ; Electron density of orthoboric acid determined by X-ray diffraction at 105 K and ab initio calculations Note: multipole refinement ; _database_code_amcsd 0009809 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'B O3 H3' _cell_length_a 7.0187 _cell_length_b 7.035 _cell_length_c 6.3472 _cell_angle_alpha 92.49 _cell_angle_beta 101.46 _cell_angle_gamma 119.76 _cell_volume 262.901 _exptl_crystal_density_diffrn 1.562 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv B1 0.64844 0.42648 0.26038 0.01000 B2 0.30894 0.75823 0.23940 0.01000 O1 0.42559 0.30116 0.26361 0.12300 O2 0.77245 0.32657 0.25137 0.01200 O3 0.74654 0.65032 0.26327 0.01400 O4 0.53531 0.88530 0.24873 0.01300 O5 0.21313 0.53531 0.24336 0.01200 O6 0.17974 0.85407 0.22874 0.01300 H1 0.36060 0.39310 0.26620 0.01300 H2 0.68480 0.17140 0.25820 0.00900 H3 0.90120 0.72010 0.25420 0.01600 H4 0.61060 0.80220 0.26310 0.00700 H5 0.05800 0.46300 0.25130 0.01900 H6 0.26190 1.01300 0.23620 0.01800 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 B1 0.00870 0.00790 0.01560 0.00500 0.00480 0.00340 B2 0.00780 0.00740 0.01550 0.00410 0.00340 0.00230 O1 0.00830 0.00940 0.02230 0.00500 0.00580 0.00410 O2 0.00930 0.00800 0.02090 0.00530 0.00590 0.00320 O3 0.01110 0.00790 0.02640 0.00560 0.00850 0.00570 O4 0.00760 0.00830 0.02230 0.00400 0.00460 0.00350 O5 0.00890 0.00730 0.02110 0.00410 0.00530 0.00360 O6 0.00960 0.00880 0.02420 0.00580 0.00580 0.00340

X-Ray Powder DiffractionHide

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Radiation - Copper Kα

Data Set: Tuscany, Italy 2442

Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of SassoliteHide

Synonyms of SassoliteHide

Other Language Names for SassoliteHide

Common AssociatesHide

Related Minerals - Nickel-Strunz GroupingHide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

Other InformationHide

References for SassoliteHide

Internet Links for SassoliteHide

Localities for SassoliteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

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

Australia
South Australia Eyre Peninsula Middleback Range Iron Knob ⓘ Iron Monarch open cut	Australian Jour.Min. v.6, no. 1
Chile
Antofagasta El Loa Province ⓘ El Tatio geothermal field	TESIS PARA OPTAR AL GRADO DE MAGÍSTER EN CIENCIAS, MENCIÓN GEOLOGÍA MEMORIA PARA OPTAR AL TÍTULO DE GEÓLOGO CONSTANZA BEATRIZ NICOLAU DEL ROURE EYLERTS, 2013
ⓘ Lastarria Volcanic Complex	Inostroza, M., Aguilera, F., Menzies, A., Layana, S., González, C., Ureta, G., ... & Tagle, R. (2020). Deposition of metals and metalloids in the fumarolic fields of Guallatiri and Lastarria volcanoes, northern Chile. Journal of Volcanology and Geothermal Research, 393, 106803.
Arica y Parinacota Parinacota Province ⓘ Guallatiri volcano	Inostroza, M., Aguilera, F., Menzies, A., Layana, S., González, C., Ureta, G., ... & Tagle, R. (2020). Deposition of metals and metalloids in the fumarolic fields of Guallatiri and Lastarria volcanoes, northern Chile. Journal of Volcanology and Geothermal Research, 393, 106803.
Germany
North Rhine-Westphalia Cologne Aachen Alsdorf ⓘ Anna Mine	Sindern, S., Warnsloh, J. M., Witzke, T., Havenith, V., Neef, R. & Etoundi, Y. (2005): Mineralogy and geochemistry of vents formed on the burning coal mining waste dump Anna I, Alsdorf, Germany. Eur. J. Mineral. 17, Beih. 1, 130; Witzke, T., de Wit, F., Kolitsch, U. and Blaß, G. (2015): Mineralogy of the Burning Anna I Coal Mine Dump, Alsdorf, Germany. Chapter 7, pp. 203-240, in: Stracher, G. B., Prakash, A. and Sokol, E. V.: Coal and Peat Fires: A Global Perspective, Volume 3: Case Studies - Coal Fires, Elsevier, 786 pp.
India
ⓘ Ladakh	Walter Schumann (2008) Minerals of the World: Second Edition
Italy
Campania Naples Pozzuoli ⓘ Solfatara di Pozzuoli	Scacchi, A. (1849): Memorie geologiche sulla Campania. Memoria III. Esame delle sustanze che si formato presso i fumaroli della regione flegrea. Rendiconti della Reale Accademia della Scienze di Napoli.
ⓘ "Bocca Grande" fumarole	- Russo, M., Campostrini, I., Demartin, F. (2017): I minerali di origine fumarolica dei Campi Flegrei: Solfatara di Pozzuoli (Napoli) e dintorni. Micro, 15, 122-192.
Somma-Vesuvius Complex ⓘ Mt Vesuvius	Russo, M., 2006: I minerali di formazione fumarolica della grande eruzione vesuviana del 1906
ⓘ Atrio del Cavallo	Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
ⓘ Vesuvius fumaroles (Vesuvian fumaroles)	Pelloux, A. (1927) The minerals of Vesuvius. American Mineralogist, 12, 14–21; Russo, M., and Punzo, I. (2004) I Minerali del Somma-Vesuvio. AMI Associazione Micro-mineralogica Italiana, Tipografia Fantigrafica s.r.l., Cremona, 320 pp.
Sicily Messina Province Eolie Islands (Aeolian Islands) Lipari Vulcano Island ⓘ La Fossa crater	HOLLAND, 1813. Jervis, G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp.; Garavelli, A., Laviano, R., Vurro, F. (1997): Sublimate deposition from hydrothermal fluids at the Fossa Crater - Vulcano, Italy. European Journal of Mineralogy, 9, 2, 423-432.
Porto Levante Faraglioni di Levante (Grotte dei Faraglioni; Grotte del Faraglione; "Grotte de Faraglione") ⓘ Faraglione Nico (Faraglione Piccolo; Faragghiune Nicu)	HOLLAND, 1813.
Tuscany Pisa Province Castelnuovo di Val di Cecina ⓘ Sasso Pisano (TL)	American Mineralogist (1957) 42, 56
Pomarance ⓘ Larderello	Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 366; S. Merlino, F. Sartori: Can. Mineral. 27:159-165 (1970)
Japan
Hokkaidō Prefecture Iburi Subprefecture Date City Usu-zan ⓘ Showa-shinzan volcano (Usu-shinzan)	Okamoto collection (curated at the Geological Survey museum, Japan)
Kagoshima Prefecture Kagoshima District Mishima village ⓘ Satsuma-Ioujima (Satsuma-Iwojima; Iou island)	Okano, T. (1962) Sassolite from Iwo-zima Island, Kagoshima Prefecture. Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 47, 188-189.
Iodake (Iwodake; Ioudake) ⓘ Main Crater	Okano, T. (1962) Sassolite from Iwo-zima Island, Kagoshima Prefecture. Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 47, 188-189.
Mozambique
Zambezia Province Alto Ligonha District ⓘ Muiâne pegmatite (Emdal Mines)	Thomas, R., Davidson, P. (2010): Hambergite-rich melt inclusions in morganite crystals from the Muiane pegmatite, Mozambique and some remarks on the paragenesis of hambergite. - Mineralogy and Petrology, 100, 3-4, 227-23; Thomas, R., & Davidson, P. (2010). Hambergite-rich melt inclusions in morganite crystals from the Muiane pegmatite, Mozambique and some remarks on the paragenesis of hambergite. Mineralogy and Petrology, 100(3-4), 227-239.
Nicaragua
León Department ⓘ Momotombo volcano ?	Quisefit, J.P., Toutain, J.P., Bergametti, G., Javoy, M., Cheynet, B., Person, A. (1989): Evolution versus cooling of gaseous volcanic emissions from Momotombo Volcano, Nicaragua: Thermochemical model and observations. Geochim. Cosmochim. Acta: 53: 2591-2608
Russia
Kamchatka Krai ⓘ Mutnovskoe	[Der Aufschluss 1995:4 p163-180]; Okrugin, V. M. (2004). Miocene to Quaternary center volcanic, hydrothermal and ore-forming activity in the Southern Kamchatka. In Metallogeny of the Pacific Northwest (Russian Far East)-Tectonics, Magmatism and Metallogeny of Active Continental Margin, Interim IAGOD Conference, Excursion Guidebook, Dalnauka, Vladivostok, 2004 (pp. 147-176).
ⓘ Rodnikovoe	[Der Aufschluss 1995:4 p.163-180]
Sakhalin Oblast Kuril Islands (Kurile Islands) Paramushir Island ⓘ Ebeco Volcano (Ebeko Volcano)	Shevko, E. P., Bortnikova, S. B., Abrosimova, N. A., Kamenetsky, V. S., Bortnikova, S. P., Panin, G. L., & Zelenski, M. (2018). Trace Elements and Minerals in Fumarolic Sulfur: The Case of Ebeko Volcano, Kuriles. Geofluids, 2018.
Zabaykalsky Krai ⓘ Orlovka	Thomas, R., Davidson, P., & Badanina, E. (2009). A melt and fluid inclusion assemblage in beryl from pegmatite in the Orlovka amazonite granite, East Transbaikalia, Russia: implications for pegmatite-forming melt systems. Mineralogy and Petrology, 96(3-4), 129-140.
Tajikistan
Gorno-Badakhshan Rangkul' Highlands ⓘ Rangkul' pegmatite field	Thomas, R., Davidson, P. (2010): Hambergite-rich melt inclusions in morganite crystals from the Muiane pegmatite, Mozambique and some remarks on the paragenesis of hambergite. - Mineralogy and Petrology, 100, 3-4, 227-23
USA
California Inyo Co. Furnace Creek ⓘ East Coleman Mine	Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238, 254.
ⓘ Furnace Creek Mining District (Furnace Creek Borate Mining District)	Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238.
Ryan Biddy McCarthy Mines ⓘ Upper Biddy Mine (Upper Biddy McCarthy Mine; Big Biddy Mine)	RRUFF Specimen R060496 - http://rruff.info/sassolite/names/asc/R060496
Twenty Mule Team Canyon ⓘ Mott prospect (Mott Colemanite prospect; Mott open cut)	Allen, Robert D. & Henry C. Kramer (1957), Ginorite and sassolite from Death Valley, California, American Mineralogist: 42: 56-61; Erd, R.C., J.F. McAllister & H. Almond (1959), Gowerite, a new hydrous calcium borate from Death Valley, California: American Mineralogist: 44: 913; Schaller, Waldemar Theodore, et al (1965), American Mineralogist: 65: 629-640; McAllister, James Franklin (1970) Geology of the Furnace Creek borate area, Death Valley, Inyo County, California. California Division of Mines and Geology Map Sheet 14, 9 pp.; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238.
ⓘ South Meridian claim	Am Min 64:3-4 pp 369-375; Erd, R.C., J.F. McAllister, and G.D. Eberlein (1979) New data on hungchaoite, the second world occurrence, Death Valley region, California. American Mineralogist: 64: 369-375.
Kern Co. Boron ⓘ Kramer Borate deposit	Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 10 Oct 1969
ⓘ California Borate Company property (Western Borax Mine; Western Mine)	Smith, George Irving, Hy Almond, & D.L. Sawyer, Jr. (1958), Sassolite from the Kramer borate district, California: American Mineralogist: 43: 1070; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 327, 333; Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22: 166; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238.
ⓘ U.S. Borax Mine (Pacific West Coast Borax; Kramer Mine; Baker Mine)	Smith, George Irving, Hy Almond, & D.L. Sawyer, Jr. (1958), Sassolite from the Kramer borate district, California: American Mineralogist: 43: 1070; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 327; Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22: 166; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238.
ⓘ Baker Mine	Donald E. Garrett (1998) Borates: Handbook of Deposits, Processing, Properties, and Use. Academic Press
West Baker ⓘ Mudd Mine (Western Mine; Western shaft)
Lake Co. East Mayacmas Mining District Cobb ⓘ Seigler Springs	Veatch, John Allen (1867), Discovery of borax in California, in Browne and Taylor, Mineral resources of the states and territories west of the Mississippi: 180; Bailey, Gilbert E. (1902), The saline deposits of California: California Mining Bureau Bulletin 24: 54; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 238.
Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District) Clear Lake Oaks ⓘ Sulphur Bank Mine (Sulfur Bank Mine; Sulphur Bank deposits)
Sonoma Co. West Mayacmas Mining District ⓘ The Geysers	Smith, Robert Leland (1958), Some new occurrences of sassolite in the United States: American Mineralogist: 43: 1204; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 239; Dunning, G. S. & Cooper, J. F. (1993): History and minerals of The Geysers Sonoma County, California. Mineralogical Record: 24(5): 339-352.
Tehama Co. Bend ⓘ Tuscan Springs (Tuscan Mineral Springs; Lick Springs)	Bailey, Gilbert E. (1902), The saline deposits of California: California Mining Bureau Bulletin 24: 69; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 239.
Nevada Washoe Co. Steamboat Springs Mining District ⓘ Steamboat Hot Springs	NBMG Spec. Pub. 31 Minerals of Nevada
Vietnam
Yên Bái Province Lục Yên District An Phu (Anfu) ⓘ Bai Cat	Le Thi-Thu Huong (2017): Gem-quality danburite from the Luc Yen mining area, northern Viet Nam. Talk given on 9 June 2017 at Institute for Mineralogy and Crystallography, University of Vienna.; Le Thi-Thu Huong, Kurt Krenn, Christoph Hauzenberger (2017): Sassolite- and CO2-H2O-bearing fluid inclusions in yellow danburite from Luc Yen, Vietnam. Journal of Gemmology, 35, 544-550; KRENN, K. and HUONG, L.T.T. (2019) Fluid characteristics from shallow magmatic environments: A contribution to danburite bearing Luc Yen pegmatites, northern Vietnam. Vietnam Journal of Earth Science, 41, 1-9. doi: 10.15625/0866-7187/41/1/13541.