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Veatchite-1M

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Formula:
Sr2B11O16(OH)5 · H2O
Colour:
Colourless to white
Lustre:
Vitreous, Pearly
Hardness:
2
Crystal System:
Monoclinic
Name:
Named as a primitive space-lattice polytype of veachite.
A polytype of Veatchite

Originally named "veatchite-p" or "p-veatchite".


Hide all sections | Show all sections

Classification of Veatchite-1MHide

Discredited
5/K.05-40

5 : Nitrates, Carbonates & Borates
K : Layered borates with complex groups [Bx(O,OH)y]
05 : Volkovskite - Veatchite-A series

Physical Properties of Veatchite-1MHide

Vitreous, Pearly
Transparency:
Transparent
Colour:
Colourless to white
Hardness:

Optical Data of Veatchite-1MHide

Type:
Biaxial (+)
RI values:
nα = 1.550 nβ = 1.553 nγ = 1.620
2V:
Measured: 25° , Calculated: 26°
Max Birefringence:
δ = 0.070
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r < v strong

Chemical Properties of Veatchite-1MHide

Formula:
Sr2B11O16(OH)5 · H2O

Crystallography of Veatchite-1MHide

Crystal System:
Monoclinic

First Recorded Occurrence of Veatchite-1MHide

Synonyms of Veatchite-1MHide

Other Language Names for Veatchite-1MHide

Related Minerals - Nickel-Strunz Grouping (8th Edition)Hide

5/K.05-10VolkovskiteKCa4[B5O8OH]4[B(OH)3]2Cl · 4H2OTric. 1 : P1
5/K.05-20GoweriteCa[B5O8(OH)][B(OH)3] · 3H2OMon.
5/K.05-30VeatchiteSr2B11O16(OH)5 · H2OMon. m : Bb
5/K.05-50Veatchite-ASr2B11O16(OH)5 · H2OTric.

Other InformationHide

IR Spectrum:
Billie mine material [cm-1]: 3435, 3350, 3235, 3130, 1654w, 1485, 1437, 1367s, 1265, 1170sh, 1150sh, 1100, 1070, 990s, 933s, 855, 820, 767, 704, 679w, 631, 607, 567w, 491w, 477w, 460w
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Veatchite-1MHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Beitr. Mineral. Petrol. (1959): 6: 352.
Clark, Joan R. & M.E. Mrose (1960), Veatchite and p-veatchite: American Mineralogist: 45: 1221-1229.
Clark, Joan R. & C.L. Christ (1971), Veatchite: crystal structure and coordination with p-veatchite: American Mineralogist: 56: 1934-1954.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Grice, J.D. & Pring, A. (2012): Veatchite: Structural relationships of the three polytypes. American Mineralogist, 97, 489-495.
Chukanov, N.V. (2014): Infrared spectra of mineral species: Extended library. Springer (Springer Geochemistry/Mineralogy), vol. 1, Dordrecht, 1726 pp.

Internet Links for Veatchite-1MHide

Localities for Veatchite-1MHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Germany (FRL)
 
  • Lower Saxony
    • Göttingen
      • Reyershausen
Braitsch, O. (1959): Über p-Veatchit, eine neue Veatchit-Varietät aus dem Zechsteinsalz. Beiträge zur Mineralogie und Petrographie 6, 352-356.
  • Thuringia
    • Harz
      • Nordhausen
        • Niedersachswerfen
Siemroth, J. (2008): Das Vorkommen von Boratmineralien im Werra-Anhydrit des Steinbruchs Kohnstein bei Niedersachswerfen am Südharz, Der Aufschluss, Vol. 59, 353-366
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lower Tunguska
          • Nepa River basin
UK
 
  • England
    • North Yorkshire
      • Eskdale
Mineralogical Magazine 1960 32 : 500-501.
Smith, F.W., Dearlove, J.P.L., Kemp, S.J., Bell, C.P., Milne, C.J. and Pottas, T.L. (2014) Potash – Recent exploration developments in North Yorkshire. Pp. 45-50 in Hunger, E., Brown, T. J. and Lucas, G. (Eds.) Proceedings of the 17th Extractive Industry Geology Conference, EIG Conferences Ltd. 202pp
USA
 
  • California
    • Inyo Co.
      • Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area)
        • Ryan
U.S. Geological Survey Photographic Library - http://libraryphoto.cr.usgs.gov/cgi-bin/show_picture.cgi?ID=ID.%20BYU%20Mineral%20Specimens%20837
Mineral and/or Locality  
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