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Veatchite-p

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Billie Mine, Black Mts, Furnace Creek District (Furnace Creek Borate District), Death Valley National Park, Inyo Co., California, USA
© 2008, JGW

Show Veatchite-p Photos (2)



Formula:
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
System:MonoclinicColour:Colourless to white
Lustre:Vitreous, PearlyHardness:2
Name:Named as a primitive space-lattice polymorph of veachite.
Polymorph of:Veatchite, Veatchite-A


Veatchite Group. A primitive space-lattice polymorph of Veachite and Veatchite-A.

Classification of Veatchite-p

IMA status:Approved
Strunz 8th edition ID:5/K.05-40

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

Type Locality:Königshall-Hindenburg Mine, Reyershausen, Göttingen, Lower Saxony, Germany

Physical Properties of Veatchite-p

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent
Colour:Colourless to white
Hardness (Mohs):2

Crystallography of Veatchite-p

Crystal System:Monoclinic

Optical Data of Veatchite-p

Type:Biaxial (+)
RI values: nα = 1.550 nβ = 1.553 nγ = 1.620
2V:Measured: 25° , Calculated: 26°
Maximum Birefringence:δ = 0.070

Chart 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-p

Formula:
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
Essential elements:B, H, O, Sr
All elements listed in formula:B, H, O, Sr

Relationship of Veatchite-p to other Species

Structurally related to group(s):
Veatchite Group
Related Minerals - Strunz Grouping):

- +
5/K.05-10Volkovskite
KCa
 
4
[B
 
5
O
 
8
OH]
 
4
[B(OH)
 
3
]
 
2
Cl · 4H
 
2
O
5/K.05-20Gowerite
Ca[B
 
5
O
 
8
(OH)][B(OH)
 
3
] · 3H
 
2
O
5/K.05-30Veatchite
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
5/K.05-50Veatchite-A
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O

Other Names for Veatchite-p

Synonyms:
ParaveatchiteP-Veatchite
Other Languages:
German:Veatchit-p
Russian:Витчит-p

Other Information

Health Warning: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-p

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).

Internet Links for Veatchite-p

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    • Localities for Veatchite-p

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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
     
    • 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.
    USA
     
    • California
      • Inyo Co.
        • Death Valley National Park
          • Furnace Creek District (Furnace Creek Borate District)
            • Black Mts
    		U.S. Geological Survey Photographic Library - http://libraryphoto.cr.usgs.gov/cgi-bin/show_picture.cgi?ID=ID.%20BYU%20Mineral%20Specimens%20837
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