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Sr2B11O16(OH)5 · H2O
Colourless to white
Vitreous, Pearly
Named as a primitive space-lattice polytype of veachite.
A polytype of Veatchite

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

Classification of Veatchite-1M


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

Physical Properties of Veatchite-1M

Vitreous, Pearly
Diaphaneity (Transparency):
Colourless to white
Hardness (Mohs):

Optical Data of Veatchite-1M

Biaxial (+)
RI values:
nα = 1.550 nβ = 1.553 nγ = 1.620
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:
r < v strong

Chemical Properties of Veatchite-1M

Sr2B11O16(OH)5 · H2O
Elements listed in formula:

Crystallography of Veatchite-1M

Crystal System:

First Recorded Occurrence of Veatchite-1M

Relationship of Veatchite-1M to other Species

5/K.05-10VolkovskiteKCa4[B5O8OH]4[B(OH)3]2Cl · 4H2O
5/K.05-20GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
5/K.05-30VeatchiteSr2B11O16(OH)5 · H2O
5/K.05-50Veatchite-ASr2B11O16(OH)5 · H2O

Other Names for Veatchite-1M

Name in Other Languages:

Other Information

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-1M

Reference List:
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-1M URL:
Please feel free to link to this page.

Localities for Veatchite-1M

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lower Tunguska
          • Nepa River basin
  • 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
  • California
    • Inyo Co.
      • Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area)
        • Ryan
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