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Ruitenbergite

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Formula:
Ca9B26O34(OH)24Cl4 · 13H2O
Colour:
Colourless to orange, white, pale yellow
Lustre:
Vitreous
Hardness:
3 - 4
Crystal System:
Monoclinic
Name:
After Arie Anne Ruitenberg (b. 1929), resident geologist for southern New Brunswick, Department of Natural Resources, Sussex, New Brunswick, Canada, for his contributions to the geology of New Brunswick.
Dimorph of:
The monoclinic dimorph of Pringleite.


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Classification of RuitenbergiteHide

Approved
6.GD.05

6 : BORATES
G : Heptaborates and other megaborates
D : Mega-tektoborates
26.5.17.2

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates

Physical Properties of RuitenbergiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless to orange, white, pale yellow
Hardness:
3 - 4 on Mohs scale

Optical Data of RuitenbergiteHide

Type:
Biaxial (+)
RI values:
nα = 1.542 nβ = 1.545 nγ = 1.565
2V:
Measured: 42° to 47°, Calculated: 44°
Max Birefringence:
δ = 0.023
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak

Chemical Properties of RuitenbergiteHide

Formula:
Ca9B26O34(OH)24Cl4 · 13H2O

Crystallography of RuitenbergiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 19.88 Å, b = 9.71 Å, c = 17.55 Å
β = 114.85°
Ratio:
a:b:c = 2.047 : 1 : 1.807
Unit Cell V:
3,074.09 ų (Calculated from Unit Cell)

Type Occurrence of RuitenbergiteHide

Synonyms of RuitenbergiteHide

Other Language Names for RuitenbergiteHide

Related Minerals - Nickel-Strunz GroupingHide

6.GD.05PringleiteCa9B26O34(OH)24Cl4 · 13H2OTric.
6.GD.10MetaboriteHBO2Iso.

Related Minerals - Dana Grouping (8th Ed.)Hide

26.5.17.1PringleiteCa9B26O34(OH)24Cl4 · 13H2OTric.

Other InformationHide

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 RuitenbergiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Roberts, A.C., Stirling, J.A.R., Grice, J.D., Burns, P.C., Curtis, J.D., and Jambor, J.L. (1993) Pringleite and ruitenbergite, polymorphs of Ca2B26O34(OH)24Cl4·13H2O, two new mineral species from Sussex, New Brunswick. Canadian Mineralogist: 31: 795-800.
Grice, J.D., Burns, P.C., and Hawthorne, F.C. (1994) Determination of the megastructures of the borate polymorphs pringleite and ruitenbergite. Canadian Mineralogist (1994): 32: 1-14.
GRICE, J.D., GAULT, R.A. & VAN VELTHUIZEN, J.J. (2005) Borate minerals from the Penobsquis and Millstream deposits, Southern New Brunswick, Canada. Canadian Mineralogist 43, 1469-1487.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for RuitenbergiteHide

Localities for RuitenbergiteHide

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.
Canada (TL)
 
  • New Brunswick
    • Kings Co.
      • Cardwell Parish
        • Penobsquis
ROBERTS, A.C., STIRLING, J.A.R., GRICE, J.D., BURNS, P.C., ROULSTON, B.V., CURTIS, J.D. & JAMBOR, J.L. (1993): Pringleite and ruitenbergite, polymorphs of Ca9B26O34(OH)24Cl4$13H2O, two new mineral species from Sussex, New Brunswick. Canadian Mineralogist 31, 795-800.
      • Hammond Parish
        • Salt Springs evaporite deposit
BURNS, P.C., HAWTHORNE, F.C. & STIRLING, J.A.R. (1992): Trembathite, (Mg,Fe)3B7O13Cl, a new borate mineral from the Salt Springs potash deposit, Sussex, New Brunswick. Canadian Mineralogist 30, 445-448.
Mineral and/or Locality  
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