|
|
Name: Bultfonteinite RRUFF ID: R050088 Ideal Chemistry: Ca2SiO3(OH)F·H2O Locality: N'Chwaning II mine, Kuruman, South Africa Source: Rock Currier Owner: RRUFF Description: Sprays of acicular white crystals associated with olmiite, R050144 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Spurrite-Afwillite (6) ] |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | |||||||
---|---|---|---|---|---|---|---|
RRUFF ID: | R050088.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.92(2)Å b: 8.14(2)Å c: 5.64(2)Å alpha: 94.2(1)° beta: 91.2(1)° gamma: 90.04(8)° Volume: 500.3(6)Å3 Crystal System: triclinic |
||||||
|
|
REFERENCES for Bultfonteinite | |
---|---|
American Mineralogist Crystal Structure Database Record: [view record] |
|
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] |
|
Bannister F A (1932) Proceedings of societies: Mineralogical Society of Great Britian and Ireland, American Mineralogist, 17, 455-455 [view file] |
|
Parry J, Williams A F, Wright F E (1932) On bultfonteinite, a new fluorine-bearing hydrous calcium silicate from South Africa, Mineralogical Magazine, 23, 145-162 [view file] |
|
Foshag W F (1933) New mineral names, American Mineralogist, 18, 32-32 [view file] |
|
Megaw H D, Kelsey C H (1954) Cell dimensions of bultfonteinite, Acta Crystallographica, 7, 632-632 |
|
Mackenzie R C (1955) Mineralogical Society (London), American Mineralogist, 40, 773-780 [view file] |
|
Megaw H D, Kelsey C H (1955) An accurate determination of the cell dimensions of bultfonteinite, Ca4Si2O10H6F2, Mineralogical Magazine, 30, 569-573 [view file] |
|
Murdoch J (1955) Bultfonteinite from Crestmore, California, American Mineralogist, 40, 900-904 [view file] |
|
McIver E J (1963) The structure of bultfonteinite, Ca4Si2O10F2H6, Acta Crystallographica, 16, 551-558 |
|
Biagioni C, Bonaccorsi E, Merlino S (2010) Crystal structure of bultfonteinite, Ca4[SiO3(OH)]2F2·2H2O, from N'chwaning II Mine (Kalahari Manganese Field, Republic of South Africa), Atti della Società Toscana di Scienze Naturali, Memorie, Serie A, 115, 9-15 |
|
|