Santaclaraite R060346
Name: Santaclaraite
RRUFF ID: R060346
Ideal Chemistry: CaMn2+4Si5O14(OH)2·H2O
Locality: Pennsylvania mine, Santa Clara County, California, USA
Source: Michael Scott S100212 [view label]
Owner: RRUFF
Description: Pink radiating thin prismatic crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R060346.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.92Mn+20.04Na0.04)Σ=1(Mn2+3.92Mn3+0.04Mg0.04)Σ=4Si5.00O14(OH)2·1.21H2O; OH by stoichiometry; Mn3+ by charge balance; H2O by difference
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060346
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060346.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.290(2)Å    b: 11.931(3)Å    c: 12.011(2)Å
alpha: 105.82(1)°    beta: 110.66(1)°    gamma: 89.18(1)°   Volume: 1321.9(6)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.

DOWNLOADS:

DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
X Min:    X Max:    X Sort:
REFERENCES for Santaclaraite

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]

Liebau F (1980) The role of cationic hydrogen in pyroxenoid crystal chemistry, American Mineralogist, 65, 981-985   [view file]

Holdaway M J (1981) Errata, American Mineralogist, 66, 1281-1281   [view file]

Ohashi Y, Finger L W (1981) The crystal structure of santaclaraite, CaMn4[Si5O14(OH)](OH)·H2O: the role of hydrogen atom in the pyroxenoid structure, American Mineralogist, 66, 154-168   [view file]

Erd R C, Ohashi Y (1984) Santaclaraite, a new calcium-manganese silicate hydrate from California, American Mineralogist, 69, 200-206   [view file]