Gerhardtite R120082
Name: Gerhardtite
RRUFF ID: R120082
Ideal Chemistry: Cu2(NO3)(OH)3
Locality: Tonapah-Belmont mine, Marizopa County, Arizona, USA
Source: Joe Ruiz [view label]
Owner: RRUFF
Description: Light blue crystalline associated with green malachite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120082
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R120082.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.095(4)Å    b: 13.792(8)Å    c: 5.555(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 467.0(3)Å3    Crystal System: orthorhombic
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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
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REFERENCES for Gerhardtite

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]

Wells H L, Penfield S L (1885) Gerhardtite and artificial basic cupric nitrates, American Journal of Science, 30, 50-57   [view file]

Oswald H R (1961) Über natürlichen und künstlichen Gerhardtit, Zeitschrift für Kristallographie, 116, 210-219   [view file]

Bovio B, Locchi S (1982) Crystal structure of the orthorhombic basic copper nitrate, Cu2(OH)3NO3, Journal of Crystallographic and Spectroscopic Research, 12, 507-517

Effenberger H (1983) Verfeinerung der kristallstruktur des monoklinen dikupfer(II)-trihydroxi-nitrates Cu2(NO3)(OH)3, Zeitschrift für Kristallographie, 165, 127-135   [view file]

Frost R L, Leverett P, Williams P A, Weier M L, Erickson K L (2004) Raman spectroscopy of gerhardtite at 298 and 77 K, Journal of Raman Spectroscopy, 35, 991-996

Melchiorre E B, Williams P A, Rose T P, Talyn B C (2006) Biogenic nitrogen from termite mounds and the origin of gerhardtite at the Great Australia mine, Cloncurry, Queensland, Australia, The Canadian Mineralogist, 44, 1447-1455   [view file]