Lotharmeyerite R060862
Name: Lotharmeyerite
RRUFF ID: R060862
Ideal Chemistry: CaZn2(AsO4)2·2H2O
Locality: Mapimi, Durango, Mexico
Source: Michael Scott S100871 [view label]
Owner: RRUFF
Description: Dark reddish brown bladed crystals, crystal structure is reported by Yang et al (2012)
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Natrochalcite (13) ]
CHEMISTRY 
RRUFF ID: R060862.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca0.99(Zn1.01Mn+30.85)Σ=1.86(As1.03O4)2·[(OH)0.85 (H2O)1.17] ; (Total low, mineral unstable under electron beam, blades are lotharmeyerite, botryoidal material is Mn oxide?)
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060862
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Sample Description:
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060862.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.0727(6)Å    b: 6.2530(4)Å    c: 7.4150(5)Å
alpha: 90°    beta: 116.739(4)°    gamma: 90°   Volume: 375.68(5)Å3    Crystal System: monoclinic
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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 Lotharmeyerite

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]

Dunn P J, Cabri L J, Clark A M, Fleischer M (1983) New mineral names, American Mineralogist, 68, 849-852   [view file]

Dunn P J (1983) Lotharmeyerite, a new mineral from Mapimi, Durango, Mexico, The Mineralogical Record, 14, 35-36   [view file]

Kampf A R, Shigley J E, Rossman G R (1984) New data on lotharmeyerite, The Mineralogical Record, 15, 223-226

Dunn P J, Ferraiolo J A, Fleischer M, Gobel V, Grice J D, Langley R H, Shigley J E, Vanko D A, Zilczer J A (1985) New mineral names, American Mineralogist, 70, 1329-1335   [view file]

Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352   [view file]

Brugger J, Krivovichev S V, Kolitsch U, Meisser N, Andrut M, Ansermet S, Burns P C (2002) Description and crystal structure of manganlotharmeyerite, Ca(Mn3+,◻,Mg)2{AsO4,[AsO2(OH)2]}2(OH,H2O)2, from the Starlera Mn Deposit, Swiss Alps, and a redefinition of lotharmeyerite, The Canadian Mineralogist, 40, 1597-1608   [view file]

Yang Y W, Evans S H, Downs R T, Yang H (2012) Lotharmeyerite, Ca(Zn,Mn)2(AsO4)2(H2O,OH)2, Acta Crystallographica, E68, i9-i10   [view file]

Kolitsch U, Rieck B, Brandstätter F, Schreiber F, Fabritz K, Blaß G, Gröbner J (2014) Neufunde aus dem alten Bergbau und den Schlacken von Lavrion (I), Mineralien Welt, 1, 60-75