Coffinite R070402

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Record 7 of 35  

Name: Coffinite
RRUFF ID: R070402
Ideal Chemistry: U(SiO4)·nH2O
Locality: Happy Jack mine (Blue Dike mine), Copper Point, White Canyon, White Canyon District, San Juan County, Utah, USA
Source: Michael Scott S102007 [view label]
Owner: RRUFF
Description: Black grains in sandstone associated with uranopilite
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Zircon (35) ]
Sample Description: Unoriented sample

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RRUFF ID: R070402
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
REFERENCES for Coffinite

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]

Fleischer M (1955) New mineral names, American Mineralogist, 40, 941-944   [view file]

Stieff L R, Stern T W, Sherwood A M (1955) Preliminary description of coffinite - a new uranium mineral, Science, 121, 608-609

Stieff L R, Stern T W, Sherwood A M (1956) Coffinite, a uranous silicate with hydroxyl substitution: a new mineral, American Mineralogist, 41, 675-688   [view file]

Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society, 48, 19-147   [view file]

Deditius A P, Utsunomiya S, Ewing R C (2008) The chemical stability of coffinite, USiO4·nH2O; 0<n<2, associated with organic matter: A case study from Grants uranium region, New Mexico, USA, Chemical Geology, 251, 33-49

Deditius A P, Utsunomiya S, Pointeau V, Ewing R C (2010) Precipitation and alteration of coffinite (USiO4·nH2O) in the presence of apatite, European Journal of Mineralogy, 22, 75-88

Deditius A P, Pointeau V, Zhang J M, Ewing R C (2012) Formation of nanoscale Th-coffinite, American Mineralogist, 97, 681-693   [view file]

Macmillan E, Cook N J, Ehrig K, Pring A (2017) Chemical and textural interpretation of late-stage coffinite and brannerite from the Olympic Dam IOCG-Ag-U deposit, Mineralogical Magazine, 81, 1323-1366