Gerstmannite R130646
Name: Gerstmannite
RRUFF ID: R130646
Ideal Chemistry: Mn2+MgZn(SiO4)(OH)2
Locality: Sterling mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA
Source: Rock Currier [view label]
Owner: RRUFF
Description: Sprays of pale-pink bunched prismatic crystals associated with white willemite, brown sphalerite, and dark-brown to black franklinite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R130646.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn0.80Mg0.20)Mg1.00Zn1.03Si0.99O4(OH1.42F0.58) ; Probed with R170038
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: R130646
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 80% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R130646.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.178(1)Å    b: 18.645(4)Å    c: 6.253(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 953.4(2)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
RRUFF File
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REFERENCES for Gerstmannite

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]

Moore P B, Araki T (1977) Gerstmannite, a new zinc silicate mineral and a novel cubic close-packed oxide structure, American Mineralogist, 62, 51-59   [view file]

Simonov M A, Egorov-Tismenko Y K, Belov N V (1978) Crystal structures of clinohedrite Ca[ZnSiO4]·H2O and herstmannite (Mn,Mg)Mg(OH)2[ZnSiO4], Soviet Physics - Doklady, 23, 113-114   [view file]

Simonov M A, Egorov-Tismenko Y K, Belov N V (1978) The crystal structures of clinohedrite Ca[ZnSiO4]·H2O and herstmannite (Mn, Mg)Mg(OH)2[ZnSiO4], Doklady Akademii Nauk SSSR, 238, 1348-1350