Larderellite R130392


 Name: Larderellite
RRUFF ID: R130392
Ideal Chemistry: (NH4)B5O7(OH)2·H2O
Locality: Larderello Lagoon, Tuscany, Italy
Source: Bob Jenkins (capsule), Rock Currier (rock piece) [view label]
Owner: RRUFF
Description: Soft, vitreous, opaque white botryoidal crust, in part altered on surface to off-white tiny granules of ammonioborite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Larderellite (1) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented 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: R130392
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R130392.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.465(2)Å    b: 7.625(2)Å    c: 11.647(2)Å
alpha: 90°    beta: 96.94(1)°    gamma: 90°   Volume: 834.4(4)Å3    Crystal System: monoclinic
  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 Larderellite

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]

Bechi E (1854) Analysis of several native borates: larderellite, (new species), American Journal of Science, 67, 129-130   [view file]

Clark J R, Christ C L (1959) Studies of borate minerals (VII): X-Ray studies of ammonioborite, larderellite, and the potassium and ammonium pentaborate tetrahydrates, American Mineralogist, 44, 1150-1158   [view file]

Merlino S, Sartori F (1969) The crystal structure of larderellite, NH4B5O7(OH)2·H2O, Acta Crystallographica, B25, 2264-2270

Anderson Y E, Bubnova R S, Filatov S K, Polyakova I G, Krzhizhanovskaya M G (2005) Thermal behavior of larderellite, NH4[B5O7(OH)2]·H2O, Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 134, issue 1 103-113   [view file]