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Strontioginorite

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Formula:
SrCaB14O20(OH)6 · 5H2O
System:
Monoclinic
Colour:
Colourless
Lustre:
Greasy
Hardness:
2 - 3
Name:
In allusion to its composition, with dominant strontium and its relationship to Ginorite.
The strontium analogue of ginorite.


Classification of Strontioginorite

Approved, 'Grandfathered' (first described prior to 1959)
6.FC.15

6 : BORATES
F : Hexaborates
C : Phyllo-hexaborates
26.6.7.2

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
6 : Hexaborates
9.3.32

9 : Borates
3 : Borates of Ca and Sr

Physical Properties of Strontioginorite

Greasy
Diaphaneity (Transparency):
Transparent
Colour:
Colourless
Hardness (Mohs):
2 - 3

Optical Data of Strontioginorite

Type:
Biaxial (+)
RI values:
nα = 1.512 nβ = 1.524 nγ = 1.577
2V:
Measured: 53° , Calculated: 54°
Max Birefringence:
δ = 0.065
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
strong

Chemical Properties of Strontioginorite

IMA Formula:
SrCaB14O20(OH)6 · 5H2O
Elements listed in formula:

Crystallography of Strontioginorite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Space Group Setting:
P21/a
Cell Parameters:
a = 12.817(8) Å, b = 14.448(8) Å, c = 12.783(8) Å
β = 101.42(8)°
Ratio:
a:b:c = 0.887 : 1 : 0.885
Unit Cell Volume:
V 2,320.29 ų (Calculated from Unit Cell)

Type Occurrence of Strontioginorite

Relationship of Strontioginorite to other Species

6.FC.05TunelliteSrB6O9(OH)2 · 3H2O
6.FC.05NobleiteCaB6O9(OH)2 · 3H2O
6.FC.10StrontioboriteSrB8O11(OH)4
6.FC.15GinoriteCa2B14O20(OH)6 · 5H2O
6.FC.20FabianiteCaB3O5(OH)
9.3.1CalciboriteCaB2O4
9.3.2SibirskiteCaHBO3
9.3.3FabianiteCaB3O5(OH)
9.3.4UralboriteCaB2O2(OH)4
9.3.5VimsiteCaB2O2(OH)4
9.3.6OlshanskyiteCa2[B3O3(OH)6]OH · 3H2O
9.3.7FroloviteCa[B(OH)4]2
9.3.8KorzhinskiteCaB2O4 · 0.5H2O
9.3.9TyretskiteCa2B5O9(OH) · H2O
9.3.10NifontoviteCa3[BO(OH)2]6 · 2H2O
9.3.12InyoiteCaB3O3(OH)5 · 4H2O
9.3.13GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
9.3.14ColemaniteCaB3O4(OH)3 · H2O
9.3.15PentahydroboriteCaB2O(OH)6 · 2H2O
9.3.16HexahydroboriteCa[B(OH)4]2 · 2H2O
9.3.17MeyerhofferiteCaB3O3(OH)5 · H2O
9.3.18PriceiteCa2B5O7(OH)5 · H2O
9.3.19GinoriteCa2B14O20(OH)6 · 5H2O
9.3.20ProbertiteNaCaB5O7(OH)4 · 3H2O
9.3.21UlexiteNaCaB5O6(OH)6 · 5H2O
9.3.22HydroboraciteCaMg[B3O4(OH)3]2 · 3H2O
9.3.23InderboriteCaMg[B3O3(OH)5]2 · 6H2O
9.3.24WardsmithiteCa5Mg(B4O7)6 · 30H2O
9.3.25HenmiliteCa2Cu[B(OH)4]2(OH)4
9.3.26StrontioboriteSrB8O11(OH)4
9.3.27VeatchiteSr2[B5O8(OH)]2B(OH)3 · H2O
9.3.28Veatchite-ASr2B11O16(OH)5 · H2O
9.3.29 P-VeatchiteSr2B11O16(OH)5 · H2O
9.3.30 BalavinskiteSr2B6O11 · 4H2O
9.3.31TunelliteSrB6O9(OH)2 · 3H2O

Other Names for Strontioginorite

Name in Other Languages:

Other Information

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 Strontioginorite

Reference List:
Braitsch, O. (1959) Über Strontioginorit, eine neue Ginorit-Varietät aus dem Zechsteinsalz. Beiträge zur Mineralogie und Petrographie 6, 366-370. - abstracted in: American Mineralogist: 45: 478.

Konnert, J.A., J.R. Clark & C.L. Christ (1970) Crystal structure of strontioginorite (Sr,Ca)2B14O20(OH)6•5H2O: American Mineralogist: 55: 1911-1931.

Christian, R.D., D. Eberlein & J.A. Konnert (1974) Optical and X-ray crystallographic investigations of strontioginorites: USGS Jour. Res.: 2: 699-700.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Canadian Mineralogist (2005) 43: 1019-1026.

Internet Links for Strontioginorite

mindat.org URL:
https://www.mindat.org/min-3741.html
Please feel free to link to this page.

Localities for Strontioginorite

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.
Argentina
 
  • Salta
    • Los Andes department
      • Salar del Hombre Muerto
CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, 9:1-27.
Canada
 
  • New Brunswick
    • Kings Co.
      • Cardwell Parish
CM 43, 1469-1487
Grice, J. L. (2002): Borate Minerals from the Penobsquis and Millstream Deposits of Southern New Brunswick, Canada. Bergverksmuseets Skrift 20, 27-33
      • Studholm Parish
Canadian Mineralogist: 43: 1469-1487.
Germany (TL)
 
  • Lower Saxony
    • Göttingen
      • Reyershausen
Braitsch, O. (1959): Beiträge zur Mineralogie und Petrographie 6, 366-370.
  • 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
Mineral and/or Locality  
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