Denningite R061023
Name: Denningite
RRUFF ID: R061023
Ideal Chemistry: CaMn2+Te4+4O10
Locality: Bambolla mine, Moctezuma, Sonora, Mexico
Source: Michael Scott S100389 [view label]
Owner: RRUFF
Description: Pale green thin platy crystals associated with quartz, tellurium, tellurite, and zemannite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061023
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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: R061023.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.813(1)Å    b: 8.813(1)Å    c: 13.018(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1011.1(1)Å3    Crystal System: tetragonal
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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
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REFERENCES for Denningite

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 (1962) New mineral names, American Mineralogist, 47, 1482-1485   [view file]

Fleischer M (1963) New mineral names, American Mineralogist, 48, 1413-1421   [view file]

Mandarino J A, Williams S J, Mitchell R S (1963) Denningite, a new tellurite mineral from Moctezuma, Sonora, Mexico, The Canadian Mineralogist, 7, 443-452   [view file]

Walitzi E M (1964) Die kristallstruktur von denningit, (Mn, Ca, Zn)Te2O5, Naturwissenschaften, 51, 334-335

Walitzi E M (1965) Die kristallstruktur von denningit, (Mn,Ca,Zn)Te2O5. Ein beispiel für die koordination um vierwertiges tellur, Tschermaks Mineralogische und Petrographische Mitteilungen, 10, 241-255

International Mineralogical Association (1967) Commission on new minerals and mineral names, Mineralogical Magazine, 36, 131-136   [view file]

Miletich R (1993) Copper-substituted manganese-denningites, Mn(Mn1-xCux)(Te2O5)2(0=x=1): synthesis and crystal chemistry, Mineralogy and Petrology, 48, 129-145

Frost R L, Dickfos M J, Keeffe E C (2008) Raman spectroscopic study of the tellurite minerals: rajite and denningite, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, A71, 1512-1515