Junitoite R050154



Name: Junitoite
RRUFF ID: R050154
Ideal Chemistry: CaZn2Si2O7·H2O
Locality: Christmas mine, Christmas, Gila County, Arizona, USA
Source: Jim McGlasson
Owner: RRUFF
Description: Colorless thin hexagonal crystals and platy purple aggregates
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Quick search: [ All Junitoite samples (2) ]
CHEMISTRY 
RRUFF ID: R050154.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050154
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R050154.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.5049(44)Å    b: 6.3090(25)Å    c: 8.5479(25)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 674.37(20)Å3    Crystal System: orthorhombic
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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]