Reddingite R090069

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Record 3 of 3  


Name: Reddingite
RRUFF ID: R090069
Ideal Chemistry: Mn2+3(PO4)2·3H2O
Locality: Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais Brazil
Source: Royal Ontario Museum M54960 [view label]
Owner: RRUFF
Description: Druse of reddish-brown pseudo-octahedral crystals associated with pink hureaulite R090070 and colorless ludlamite R090071
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Reddingite samples (3) ]
CHEMISTRY 
RRUFF ID: R090069.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mn+21.85Fe+21.13Ca0.01)Σ=2.99(PO4)2·3H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090069
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R090069.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.488(1)Å    b: 10.109(1)Å    c: 8.701(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 834.6(3)    Crystal System: orthorhombic
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REFERENCES for Reddingite

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]

Brush G J, Dana E S (1878) On a new and remarkable mineral locality in Fairfield County, Connecticut; with a description of several new species occurring there. First Paper., American Journal of Science and Arts, 116, 33-46; 114-123   [view file]

Brush G J, Dana E S, Wells H L (1890) On the mineral locality at Branchville, Connecticut: Fifth paper, American Journal of Science, 134, 201-216   [view file]

Eversheim P, Kleber W (1953) Morphologie und struktur des reddingits, P2O5·3FeO·3H2O, Acta Crystallographica, 6, 215-216

Tennyson C (1954) Phosphoferrit und reddingit von Hagendorf, Neues Jahrbuch für Mineralogie, Abhandlungen, 87, 185-217

Moore P B, Araki T (1976) A mixed-valence solid-solution series: Crystal structures of phosphoferrite, FeII3(H2O)3[PO4]2, and kryzhanovskite, FeIII3(OH)3[PO4]2, Inorganic Chemistry, 15, 316-321

Moore P B, Araki T, Kampf A R (1980) Nomenclature of the phosphoferrite structure type: refinements of landesite and kryzhanovskite, Mineralogical Magazine, 43, 789-795   [view file]