Henmilite R060257



Name: Henmilite
RRUFF ID: R060257
Ideal Chemistry: Ca2Cu[B(OH)4]2(OH)4
Locality: Fuka mine, Okayama Prefecture, Honshu Island, Japan
Source: Michael Scott S100323 [view label]
Owner: RRUFF
Description: Deep blue prismatic pinacoidal crystals with a melted looking exterior
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R060257.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.94Cu1.06[B(OH)4]2(OH)4 ; B, H not measured but assumed by stoichiometry
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: R060257
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060257.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.772(1)Å    b: 7.989(2)Å    c: 5.6485(9)Å
alpha: 109.64(1)°    beta: 91.50(1)°    gamma: 83.69(1)°   Volume: 244(1)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Henmilite

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]

Nakai I, Okada H, Masutomi K, Koyama E, Nagashima K (1986) Henmilite, Ca2Cu(OH)4[B(OH)4]2, a new mineral from Fuka, Okayama Prefecture, Japan, American Mineralogist, 71, 1234-1239   [view file]