Junitoite R120100

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Record 2 of 2  


Name: Junitoite
RRUFF ID: R120100
Ideal Chemistry: CaZn2Si2O7·H2O
Locality: Christmas mine, Christmas, Gila County, Arizona, USA
Source: Bob Jenkins
Owner: RRUFF
Description: Spray of colorless to pale purple crystals. Part of the co-type. Associated with green hydroxyapophyllite and clinohedrite, R120105. Used in the Yang et al (2012) structure redetermination.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Not in a structural group (128) ]
Quick search: [ All Junitoite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120100
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R120100.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.530(4)Å    b: 6.306(2)Å    c: 8.562(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 676.5(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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REFERENCES for Junitoite

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]

Williams S A (1976) Junitoite, a new hydrated calcium zinc silicate from Christmas, Arizona, American Mineralogist, 61, 1255-1258   [view file]

Hamilton R D, Finney J J (1985) The structure of junitoite, CaZn2Si2O7·H2O, Mineralogical Magazine, 49, 91-95   [view file]

Yang H, Jenkins N G, Downs R T (2012) Redetermination of junitoite, CaZn2Si2O7·H2O, Acta Crystallographica, E68, i73-i73   [view file]