Strengite R040177

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Record 1 of 2  

Name: Strengite
RRUFF ID: R040177
Ideal Chemistry: Fe3+(PO4)·2H2O
Locality: Plegstein, Oberpfalz, Bavaria, Germany
Source: University of Arizona Mineral Museum 2450 [view label]
Owner: RRUFF
Description: Light purple crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Strengite samples (2) ]
CHEMISTRY 
RRUFF ID: R040177.2
Sample Description: Microprobe Fragment
Measured Chemistry: Fe3+PO4ยท2H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R040177
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R040177.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.710(4)Å    b: 9.870(3)Å    c: 10.110(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 869.1(4)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Strengite

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]

Nies A (1877) Strengit, ein neues Mineral, Neues Jahrbuch für Mineralogie, Geologie und Palaontologie, 1877, 8-16   [view file]

Warry N D, Kramer J R (1976) Some factors affecting the synthesis of cryptocrystalline strengite from an amorphous phosphate complex, The Canadian Mineralogist, 14, 40-46   [view file]

Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415   [view file]

Frost R L, Weier M L, Erickson K L, Carmody O, Mills S J (2004) Raman spectroscopy of phosphates of the variscite mineral group, Journal of Raman Spectroscopy, 35, 1047-1055   [link]

Taxer K, Bartl H (2004) On the dimorphy between the variscite and clinovariscite group: refined finestructural relationship of strengite and clinostrengite, Fe(PO4)·2H2O, Crystal Research and Technology, 39, 1080-1088

Oxmann J F, Pham Q H, Lara R J (2008) Quantification of individual phosphorus species in sediment: a sequential conversion and extraction method, European Journal of Soil Science, 59, 1177-1190   [view file]

Dyar M D, Jawin E R, Breves E, Marchand G, Nelms M, Lane M D, Mertzman S A, Bish D L and Bishop J L (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data, American Mineralogist, 99, 914-942   [view file]

Birch W D (2018) Minerals in the arrojadite, alluaudite and jahnsite-whiteite groups from the Mount Wills pegmatite field, Victoria, Australia, European Journal of Mineralogy, 30, 635-645

Markl G, Keim M F, Bayerl R (2019) Unusual mineral diversity in hydrothermal vein-type deposit: The Clara mine, SW Germany, as a type example, The Canadian Mineralogist, 57, 427-456