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 MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember 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
System:
Monoclinic
Colour:
Colourless to white
Hardness:
Name:
Named after Mario E. Teruggi, professor of geology, universidad nacional La Plata (Argentina).
This page provides mineralogical data about Teruggite.

Classification of Teruggite

Approved 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
mindat.org URL:
http://www.mindat.org/min-3917.html
Please feel free to link to this page.

First Recorded Occurrence of Teruggite

Year of Discovery:
1968

Physical Properties of Teruggite

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless to white
Hardness (Mohs):

Crystallography of Teruggite

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

Optical Data of Teruggite

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 Teruggite

Formula:
Ca4Mg[AsO4|B6O7(OH)6]2 · 12H2O
Essential elements:
All elements listed in formula:

Relationship of Teruggite to other Species

6.FA.05AksaiteMg[B6O7(OH)6] · 2H2O
6.FA.10McallisteriteMg2[B6O7(OH)6]2 · 9H2O
6.FA.15AdmontiteMg[B6O7(OH)6] · 4H2O
6.FA.20RivadaviteNa6Mg[B6O7(OH)6]4 · 10H2O
10.2.1LüneburgiteMg3[B2(OH)6](PO4)2 · 6H2O
10.2.2CahniteCa2[B(OH)4](AsO4)
10.2.4SeamaniteMn32+[B(OH)4](PO4)(OH)2

Other Names for Teruggite

Name in Other Languages:
German:Teruggit
Spanish:Teruggita

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 Teruggite

Reference List:
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 Teruggite

Localities for Teruggite

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
 
  • 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 1993-2015, 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: March 31, 2015 17:57:38 Page generated: March 1, 2015 18:28:13