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Name: Ameghinite RRUFF ID: R060643 Ideal Chemistry: NaB3O3(OH)4 Locality: Tinkalayu mine, Salar del Hombre Muerto, Salta province, Argentina Source: Michael Scott S100815 [view label] Owner: RRUFF Description: Colorless glassy Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Not in a structural group (133) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R060643.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 18.408(5)Å b: 9.880(4)Å c: 6.323(3)Å alpha: 90° beta: 104.40(2)° gamma: 90° Volume: 1113.8(7)Å3 Crystal System: monoclinic |
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REFERENCES for Ameghinite | |
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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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Aristarain L F, Hurlbut C S (1967) Ameghinite, Na2O·3B2O3·4H2O, a new borate from Argentina, American Mineralogist, 52, 935-946 [view file] |
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Dal Negro A, Martin Pozas J M, Ungaretti L (1975) The crystal structure of ameghinite, American Mineralogist, 60, 879-883 [view file] |
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Xiong Y, Kirkes L, Knox J, Marrs C (2017) Experimental determination of solubilities of sodium polyborates in MgCl2 solutions: Solubility constant of di-sodium hexaborate tetra-hydrate, and implications for the diagenetic formation of ameghinite, The Canadian Mineralogist, 55, 1001-1008 |
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