Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
![]() |
![]() |
Name: Churchite-(Y) RRUFF ID: R060424 Ideal Chemistry: Y(PO4)·2H2O Locality: Indian Mountain, Cherokee County, Alabama, USA Source: Michael Scott S100069 [view label] Owner: RRUFF Description: Spray of colorless acicular crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Gypsum (12) ] | ||
Quick search: [ All Churchite-(Y) samples (2) ] |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
![]() |
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | |||||||
---|---|---|---|---|---|---|---|
RRUFF ID: | R060424.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 5.588(3)Å b: 15.022(7)Å c: 6.293(2)Å alpha: 90° beta: 117.90(2)° gamma: 90° Volume: 466.9(3)Å3 Crystal System: monoclinic |
||||||
|
|
REFERENCES for Churchite-(Y) | |
---|---|
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] |
|
Church A H (1865) Preliminary note on a new British mineral containing cerium, The Chemical News, 12, 121-121 [view file] |
|
Williams C G (1865) On the presence of didymium in churchite, The Chemical News, 12, 183-183 [view file] |
|
Fleischer M (1954) New mineral names, American Mineralogist, 39, 848-852 [view file] |
|
Milton D J, Bastron H (1971) Churchite and Florencite (Nd) from Sausalito, California, The Mineralogical Record, 2, 166-168 [view file] |
|
International Mineralogical Association (1982) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 46, 513-514 [view file] |
|
Podporina E K, Burkov V V, Danilova K N (1983) Nd-churchites from the crust of weathering of Kazakjstan metamorphic rocks, Doklady Akademii Nauk SSSR, 268, 195-198 [view file] |
|
Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist, 72, 1031-1042 [view file] |
|
Kohlmann M, Sowa H, Reithmayer K, Schulz H, Kruger R R, Abriel W (1994) Structure of a Y1-x(Gd,Dy,Er)xPO4·2H2O microcrystal using synchrotron radiation, Acta Crystallographica, C50, 1651-1652 |
|
Pláil J, Sejkora J, Čejka J, koda R, Goliá V (2009) Supergene mineralization of the Medvedín uranium deposit, Krkonoe Mountains, Czech Republic, Journal of Geosciences, 54, 15-56 |
|
Göb S, Wenzel T, Bau M, Jacob D E, Loges A, Markl G (2011) The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, southwestern Germany, The Canadian Mineralogist, 49, 1305-1333 [view file] |
|
|