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Name: Congolite RRUFF ID: R110153 Ideal Chemistry: Fe2+3B7O13Cl Locality: Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada Source: Donald M Doell and Brian Roulston [view label] Owner: RRUFF Description: Colorless cubes, extracted by dissolving the matrix of sylvite/halite, associated with strontioginorite R110149, howlite R110150, volkovskite R110151, ruitenbergite R110152, and hilgardite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Boracite (9) ] | ||
Quick search: [ All Congolite samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R110153.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 8.606(1)Å b: 8.606(1)Å c: 21.088(3)Å alpha: 90° beta: 90° gamma: 120° Volume: 1352.6(2)Å3 Crystal System: hexagonal |
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REFERENCES for Congolite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Fleischer M (1972) New mineral names, American Mineralogist, 57, 1311-1317 [view file] |
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Wendling E, Hodenberg R V, Kühn R (1972) Congolit, der trigonale Eisenboracit, Kali und Steinsalz, 6, 1-3 |
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Dowty E, Clark J R (1973) Crystal-structure refinements for orthorhombic boracite, Mg3B7O13Cl, and a trigonal, iron-rich analogue, Zeitschrift für Kristallographie, 138, 64-99 [view file] |
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Nelmes R J (1974) Structural studies of boracites. A review of the properties of boracites, Journal of Physics C: Solid State Physics, 7, 3841-3855 |
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Mendoza-Alvarez M E, Yvon K, Depmeier W, Schmid H (1985) Structure refinement of trigonal iron-chlorine boracite, Acta Crystallographica, C41, 1551-1552 |
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Burns P C (1995) X-ray powder diffraction data for the identification of boracite-group minerals, Powder Diffraction, 10, 250-260 |
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Burns P C, Carpenter M A (1996) Phase transitions in the series boracite trembathite congolite: phase relations, The Canadian Mineralogist, 34, 881-892 [view file] |
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Burns P C, Carpenter M A (1997) Phase transitions in the series boracite trembathite congolite: an infrared spectroscopic study, The Canadian Mineralogist, 35, 189-202 [view file] |
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Grice J D, Gault R A, Van Velthuizen J (2005) Borate minerals of the Penobsquis and Millstream deposits, southern New Brunswick, Canada, The Canadian Mineralogist, 43, 1469-1487 [view file] |
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Wachowiak J, Pieczka A, (2012) Congolite and trembathite from the Kłodawa Salt Mine, Central Poland: records of the thermal history of the parental salt dome, The Canadian Mineralogist, 50, 1387-1399 [view file] |
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