Nelenite R120148



Name: Nelenite
RRUFF ID: R120148
Ideal Chemistry: Mn2+16As3+3Si12O36(OH)17
Locality: Huanggang mine, Inner Mongolia, China
Source: James Zigras
Owner: RRUFF
Description: Stacks of brown hexagonal plates, associated with sphalerite and calcite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Groups: [ Pyrosmalite (9) ] [ Clay (85) ]
Quick search: [ All Nelenite samples (2) ]
CHEMISTRY 
RRUFF ID: R120148.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn2+9.44Fe2+6.02Mg0.48Ca0.11)As3+2.95Si12O36[(OH)16.87Cl0.08]
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120148
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Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R120148.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.412(5)Å    b: 23.239(7)Å    c: 7.322(2)Å
alpha: 90°    beta: 105.24(2)°    gamma: 90°   Volume: 2201.8(5)Å3    Crystal System: monoclinic
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REFERENCES for Nelenite

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, Peacor D R (1984) Nelenite, a manganese arsenosilicate of the friedelite group, polymorphous with schallerite, from Franklin, New Jersey, Mineralogical Magazine, 48, 271-275   [view file]

Dunn P J, Fleischer M, Langley R H, Shigley J E, Zilczer J A (1985) New mineral names, American Mineralogist, 70, 871-881   [view file]