Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Teruggite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ca4Mg[AsO4|B6O7(OH)6]2 · 12H2O
Colour:
Colourless to white
Lustre:
Vitreous
Hardness:
Crystal System:
Monoclinic
Name:
Named after Mario E. Teruggi, professor of geology, universidad nacional La Plata, Argentina (1919-2002).
This page provides mineralogical data about Teruggite.


Hide all sections | Show all sections

Classification of TeruggiteHide

Approved
Approval Year:
1968
6.FA.25

6 : BORATES
F : Hexaborates
A : Neso-hexaborates
27.1.6.1

27 : COMPOUND BORATES
1 : Miscellaneous
10.2.3

10 : Borates with other anions
2 : Borates with phosphate or arsenate

Physical Properties of TeruggiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless to white
Hardness:
2½ on Mohs scale

Optical Data of TeruggiteHide

Type:
Biaxial (+)
RI values:
nα = 1.526 nβ = 1.528 nγ = 1.551
2V:
Measured: 33° , Calculated: 34°
Max Birefringence:
δ = 0.025
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak

Chemical Properties of TeruggiteHide

Formula:
Ca4Mg[AsO4|B6O7(OH)6]2 · 12H2O
IMA Formula:
Ca4Mg[AsB6O11(OH)6]2 · 14H2O

Crystallography of TeruggiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 15.68 Å, b = 19.9 Å, c = 6.25 Å
β = 100.05°
Ratio:
a:b:c = 0.788 : 1 : 0.314
Unit Cell V:
1,920.28 ų (Calculated from Unit Cell)

Type Occurrence of TeruggiteHide

Synonyms of TeruggiteHide

Other Language Names for TeruggiteHide

German:Teruggit
Spanish:Teruggita

Related Minerals - Nickel-Strunz GroupingHide

6.FA.05AksaiteMg[B6O7(OH)6] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbca
6.FA.10McallisteriteMg2[B6O7(OH)6]2 · 9H2OTrig. 3m (3 2/m) : R3c
6.FA.15AdmontiteMgB6O10 · 7H2OMon.
6.FA.20RivadaviteNa6Mg[B6O7(OH)6]4 · 10H2OMon. 2/m : P21/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

10.2.1LüneburgiteMg3[B2(OH)6](PO4)2 · 6H2OTric.
10.2.2CahniteCa2[B(OH)4](AsO4)Tet. 4 : P4
10.2.4SeamaniteMn2+3[B(OH)4](PO4)(OH)2Orth. mmm (2/m 2/m 2/m)

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 TeruggiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1968): 53: 1815-1827.
American Mineralogist (1973): 5: 1034-1043.
Canadian Mineralogist (1999): 37: 31-762.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for TeruggiteHide

Localities for TeruggiteHide

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.
Argentina (TL)
 
  • Jujuy
    • Susques Department
      • Coranzuli
L.F. Aristarain, C.S. Hurlbut, Jr.: Amer. Mineral. 53:1815-1827 (1968); Alonso, R. N. (1999). On the origin of La Puna borates. Acta geológica hispánica, 34(2), 141-166.; 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.
Chile
 
  • Antofagasta Region
    • El Loa Province
MinMag 66:253
Turkey
 
  • Aegean Region
    • Kütahya Province
      • Emet
        • Emet Borate deposit
J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. V (2003); American Mineralogist; April 1979; v. 64; no. 3-4; p. 362-366
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 20, 2017 19:18:06 Page generated: October 19, 2017 14:34:13
Go to top of page