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Name: Whitlockite RRUFF ID: R080052 Ideal Chemistry: Ca9Mg(PO3OH)(PO4)6 Locality: Palermo #1 Quarry, Groton, Grafton County, New Hampshire USA Source: Mineralogical Museum, Harvard University ISGN:HRV000XO6 95030 [view label] Owner: Harvard Description: Colorless granular massive, and as rhombohedra in cavities, associated with white rice-shaped fluorapatite, and colorless quartz. Type sample. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Cerite (11) ] | ||
Quick search: [ All Whitlockite samples (2) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R080052.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.3590(6)Å b: 10.3590(6)Å c: 37.086(2)Å alpha: 90° beta: 90° gamma: 120° Volume: 3446.5(6)Å3 Crystal System: hexagonal |
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REFERENCES for Whitlockite | |
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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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Frondel C (1941) Whitlockite: a new calcium phosphate, Ca3(PO4)2, American Mineralogist, 26, 145-152 [view file] |
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Frondel C (1943) Mineralogy of calcium phosphates in insular phosphate rock, American Mineralogist, 28, 215-232 [view file] |
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Frondel C (1949) Wolfeite, xanthoxenite, and whitlockite from the Palermo mine, New Hampshire, American Mineralogist, 34, 692-705 [view file] |
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Gopal R, Calvo C (1972) Structural relationship of whitlockite and β Ca3(PO4)2, Nature Physical Science, 237, 30-32 |
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Gopal R, Calvo C, Ito J, Sabine W K (1974) Crystal structure of synthetic Mg-whitlockite, Ca18Mg2H2(PO4)14, Canadian Journal of Chemistry, 52, 1155-1164 |
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Calvo C, Gopal R (1975) The crystal structure of whitlockite from the Palermo quarry, American Mineralogist, 60, 120-133 [view file] |
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Kostiner E, Rea J R (1976) The crystal structure of manganese-whitlockite, Ca18Mn2H2(PO4)14, Acta Crystallographica, B32, 250-253 |
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Schroeder L W, Dickens B, Brown W E (1977) Crystallographic studies of the role of Mg as a stabilizing impurity in β-Ca3(PO4)2. II. Refinement of Mg-containing β-Ca3(PO4)2, Journal of Solid State Chemistry, 22, 253-262 |
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Jolliff B L, Hughes J M, Freeman J J, Zeigler R A (2006) Crystal chemistry of lunar merrillite and comparison to other meteoritic and planetary suites of whitlockite and merrillite, American Mineralogist, 91, 1583-1595 [view file] |
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Tsirlin A A, Dikarev E V, Shpanchenko R V, Antipov E V (2006) A new whitlockite, Ca8.42Na1.16V(PO4)7, Acta Crystallographica, C62, i13-i15 |
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Zatovsky I V, Strutynska N Y, Baumer V N, Shishkin O V, Slobodyanik N S (2007) The whitlockite-related phosphate Ca9Cr(PO4)7, Acta Crystallographica, E63, i180-i181 |
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Hughes J M, Jolliff B L, Rakovan J (2008) The crystal chemistry of whitlockite and merrillite and the dehydrogenation of whitlockite to merrillite, American Mineralogist, 93, 1300-1305 [view file] |
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Orlova A I, Khainakov S A, Loginova E E, Oleneva T A, Garcia Granda S, Kurazhkovskaya V S (2009) Calcium thorium phosphate (whitlockite-type mineral). Synthesis and structure refinement, Crystallography Reports, 54, 591-597 |
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Adcock C T, Hausrath E M, Forster P M, Tschauner O, Sefein K J (2014) Synthesis and characterization of the Mars-relevant phosphate minerals Fe- and Mg-whitlockite and merrillite and a possible mechanism that maintains charge balance during whitlockite to merrillite transformation, American Mineralogist, 99, 1221-1232 |
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Kolitsch U, Rieck B, Brandstätter F, Schreiber F, Fabritz K H, Blaß G, Gröbner J (2014) Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (II), Mineralien Welt, 25, 82-95 |
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McCubbin F M, Phillips B L, Adcock C T, Tait K T, Steele A, Vaughn J S, Fries M D, Atudorei V, Vander Kaaden K E, Hausrath E M (2018) Discreditation of bobdownsite and the establishment of criteria for the identification of minerals with essential monofluorophosphate (PO3F2-), American Mineralogist, 103, 1319–1328 [view file] |
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Atencio D, Azzi A A, Qu K, Miyawaki R, Bosi F, Momma K (2023) Changes to the cerite group nomenclature, European Journal of Mineralogy, 35, 1027-1030 [view file] |
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