Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Teruggite

Big Photo

Loma Blanca borate deposit, Coranzuli, Jujuy, Argentina
© 2007, J. Weissman

Formula:
Ca
 
4
Mg[AsO
 
4
|B
 
6
O
 
7
(OH)
 
6
]
 
2
 · 12H
 
2
O
System:MonoclinicColour:Colourless to white
Hardness:2½
Name:Named after Mario E. Teruggi, professor of geology, universidad nacional La Plata (Argentina).
This page provides mineralogical data about Teruggite.

Classification of Teruggite

IMA status:Approved 1968
Strunz 8th edition ID:5/H.18-10
Strunz 9th edition ID:6.FA.10
Nickel-Strunz 10th (pending) edition ID:6.FA.25

6 : BORATES
F : Hexaborates
A : Neso-hexaborates
Dana 8th edition ID:27.1.6.1

27 : COMPOUND BORATES
1 : Miscellaneous
Hey's CIM Ref.: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.

Type Occurrence of Teruggite

Type Locality:Loma Blanca borate deposit, Coranzuli, Jujuy, Argentina
Year of Discovery:1968

Physical Properties of Teruggite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless to white
Hardness (Mohs):2½

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°
Maximum Birefringence:δ = 0.025

Chart 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:
Ca
 
4
Mg[AsO
 
4
|B
 
6
O
 
7
(OH)
 
6
]
 
2
 · 12H
 
2
O
Essential elements:As, B, Ca, H, Mg, O
All elements listed in formula:As, B, Ca, H, Mg, O

Relationship of Teruggite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.FA.05Aksaite
Mg[B
 
6
O
 
7
(OH)
 
6
] · 2H
 
2
O
6.FA.10Mcallisterite
Mg
 
2
[B
 
6
O
 
7
(OH)
 
6
]
 
2
 · 9H
 
2
O
6.FA.15Admontite
Mg[B
 
6
O
 
7
(OH)
 
6
] · 4H
 
2
O
6.FA.20Rivadavite
Na
 
6
Mg[B
 
6
O
 
7
(OH)
 
6
]
 
4
 · 10H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
10.2.1Lüneburgite
Mg
 
3
B
 
2
(PO
 
4
)
 
2
(OH)
 
6
·6H
 
2
O
10.2.2Cahnite
Ca
 
2
[AsO
 
4
|B(OH)
 
4
]
10.2.4Seamanite
Mn
2+
3
[(OH)
 
2
|PO
 
4
|B(OH)
 
4
]

Other Names for Teruggite

Synonyms:
IMA1968-007
Other Languages:
German:Teruggit
Russian:Теруггит
Spanish:Teruggita

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 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

Search Engines:
  • Look for Teruggite on Google
  • Look for Teruggite images on Google
    • External Links:
  • Look for Teruggite on Webmineral
  • Look for Teruggite on Athena Mineralogy
  • Look for Teruggite on Wikipedia
  • Look for Teruggite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Teruggite in the Natural History Museum (London) online catalogue
  • Teruggite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Fabre Minerals - search for Teruggite specimens
  • Buy Fine Minerals from mineralsweb.com
  • Search for - Teruggite - on e-Rocks Mineral Sales & Auctions
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Rare and Unusual minerals at Mineralogical Research Company
  • Edwards Minerals - Fine Specimens
  • Buy Minerals and Crystals from Crystalarium.com
  • High-end worldwide specimens & outstanding customer service
  • Top quality minerals from Kristalle of California
  • The Arkenstone - Fine Minerals
  • Wilensky Fine Minerals
  • Buy minerals from Mineralium.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Teruggite

    (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.
    Argentina
     
    • Jujuy
      • Coranzuli
    		L.F. Aristarain, C.S. Hurlbut, Jr.: Amer. Mineral. 53:1815-1827 (1968)
    Chile
     
    • Antofagasta Region
    		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
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 11th Nov 2009 16:15:49