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Euchroite R050579
Name: Euchroite
RRUFF ID: R050579
Ideal Chemistry: Cu2(AsO4)(OH)·3H2O
Locality: Lubietova, Banskobystricky, Slovakia
Source: University of Arizona Mineral Museum 284 [view label]
Owner: RRUFF
Description: Green prismatic crystal
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R050579.2
Sample Description: Microprobe fragment
Measured Chemistry: Cu2.00((As0.99P0.01)Σ=1O4)(OH)·3H2O; = gray phase. The dark phase: Cu2.00((As0.96P0.04)Σ=1O4)(OH)·3H2O; light phase: olivenite: Cu2.00((As0.98P0.02)Σ=1O4)(OH)
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
DOWNLOADS:

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  orientation angle.
Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050579
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050579.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.057(1)Å    b: 10.513(1)Å    c: 6.1074(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 645.7(2)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Euchroite

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]

Breithaupt J F A (1823) Euchroït. Diprismatischer Oliven-Malachit, in Vollständige Charakteristik des Mineral-Systems. Arnoldischen Buchhandlung Dresden 266-267   [view file]

Haidinger W (1825) Notice respecting euchroite, a new mineral species, The Edinburgh Journal of Science, 2, 133-135   [view file]

Turner M D (1825) Analysis of euchroite, The Edinburgh Journal of Science, 2, 301-305   [view file]

Church A H (1895) A chemical study of some native arsenates and phosphates, Mineralogical Magazine, 11, 1-12   [view file]

Berry L G (1951) Observations on chonichalcite, cornwallite, euchroite liroconite and olivenite, American Mineralogist, 36, 484-503   [view file]

Finney J J (1966) Refinement of the crystal structure of euchroite, Cu2(AsO4)(OH)·3H2O, Acta Crystallographica, 21, 437-440

Eby R K, Hawthorne F C (1989) Euchroite, a heteropolyhedral framework structure, Acta Crystallographica, C45, 1479-1482

Krivovichev S V, Zolotarev A A, Pekov I V (2016) Hydrogen bonding system in euchroite, Cu2(AsO4)(OH)(H2O)3: low-temperature crystal-structure refinement and solid-state density functional theory modeling, Mineralogy and Petrology, 110, 877-883

Majzlan J, Števko M, Dachs E, Benisek A, Plášil, Sejkora J (2017) Thermodynamics, stability, crystal structure, and phase relations among euchroite, Cu2(AsO4)(OH)·3H2O, and related minerals, European Journal of Mineralogy, 29, 5-16