Important Update News

The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.

The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.

We are grateful to NASA for the funding of this effort.

Penkvilksite R130027



Name: Penkvilksite
RRUFF ID: R130027
Ideal Chemistry: Na2TiSi4O11·2H2O
Locality: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Source: Don Doell DD 13-01 [view label]
Owner: RRUFF
Description: Powdery white aggregate
Status: The identification of this mineral is not yet confirmed.
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: R130027
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
REFERENCES for Penkvilksite

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]

Bussen I V, Men'shikov Y P, Mer'kov A M, Nedorezova A P, Uspenskaya E I, Khomyakov A P (1974) Penkvilksite, a new hydrous silicate of titanium and sodium, Doklady Akademii Nauk SSSR, 217, 1161-1164   [view file]

Fleischer M (1975) New mineral names, American Mineralogist, 60, 340-341   [view file]

Merlino S, Pasero M, Artioli G, Khomyakov A P (1994) Penkvilksite, a new kind of silicate structure: OD character, X-ray single-crystal (1M), and powder Rietveld (2O) refinements of two MDO polytypes, American Mineralogist, 79, 1185-1193   [view file]

Sherriff B L, Zhou B (2004) 29Si and 23Na MAS NMR spectroscopic study of the polytypes of the titanosilicate penkvilksite, The Canadian Mineralogist, 42, 1027-1035   [view file]

Cadoni M, Ferraris G (2008) Penkvilksite-2O: Na2TiSi4O11*2H2O, Acta Crystallographica, C64, 87-90