Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Bonaccordite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Scotia Talc mine, Bon Accord, Barberton District, Mpumalanga Province, South Africa

Show Bonaccordite Photos (2)



Formula:
Ni
 
2
Fe
3+
 
(BO
 
3
)O
 
2
System:OrthorhombicColour:Reddish-brown, light grey
Hardness:7
Member of:Ludwigite Group
Name:Named for the type locality at Bon Accord, South Africa.
This page provides mineralogical data about Bonaccordite.

Classification of Bonaccordite

IMA status:Approved 1974
Strunz 8th edition ID:5/G.04-40
Nickel-Strunz 10th (pending) edition ID:6.AB.30

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
Dana 8th edition ID:24.2.1.4

24 : ANHYDROUS BORATES
2 : A2BO2[XO3]
Hey's CIM Ref.:9.9.1

9 : Borates
9 : Borates of Ni
mindat.org URL:http://www.mindat.org/min-717.html
Please feel free to link to this page.

Type Occurrence of Bonaccordite

Type Locality:Scotia Talc mine, Bon Accord, Barberton District, Mpumalanga Province, South Africa
Year of Discovery:1974

Physical Properties of Bonaccordite

Colour:Reddish-brown, light grey
Hardness (Mohs):7

Crystallography of Bonaccordite

Crystal System:Orthorhombic
Cell Parameters:a = 9.21Å, b = 12.22Å, c = 3Å
Ratio:a:b:c = 0.754 : 1 : 0.245
Unit Cell Volume:V 337.64 ų (Calculated from Unit Cell)

Chemical Properties of Bonaccordite

Formula:
Ni
 
2
Fe
3+
 
(BO
 
3
)O
 
2
Essential elements:B, Fe, Ni, O
All elements listed in formula:B, Fe, Ni, O

Relationship of Bonaccordite to other Species

Member of:Ludwigite Group
Other Members of Group:

- +
Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)(BO
 
3
)O
 
2
Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
Ludwigite
Mg
 
2
Fe
3+
 
(BO
 
3
)O
 
2
Vonsenite
Fe
2+
2
Fe
3+
 
(BO
 
3
)O
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
6.AB.05Hambergite
Be
 
2
(BO
 
3
)(OH)
6.AB.10Berborite
Be
 
2
(BO
 
3
)(OH,F) · H
 
2
O
6.AB.15Jeremejevite
Al
 
6
(BO
 
3
)
 
5
(F,OH)
 
3
6.AB.20Warwickite
(Mg,Fe
2+
 
)
 
3
Ti(BO
 
3
)
 
2
O
 
2
6.AB.20Yuanfuliite
Mg(Fe
3+
 
,Fe
2+
 
,Al,Ti,Mg)(BO
 
3
)O
6.AB.25Karlite
Mg
 
7
(BO
 
3
)
 
3
(OH,Cl)
 
5
6.AB.30Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)(BO
 
3
)O
 
2
6.AB.30Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
6.AB.30Ludwigite
Mg
 
2
Fe
3+
 
(BO
 
3
)O
 
2
6.AB.30Vonsenite
Fe
2+
2
Fe
3+
 
(BO
 
3
)O
 
2
6.AB.35Pinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
(BO
 
3
)O
 
2
6.AB.40Blatterite
(Mn
2+
 
,Mg)
 
2
(Mn
3+
 
,Sb
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
6.AB.40Chestermanite
Mg
 
2
(Fe
3+
 
,Mn
3+
 
,Al,Sb
3+
 
)(BO
 
3
)O
 
2
6.AB.40Orthopinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
(BO
 
3
)O
 
2
6.AB.40Takéuchiite
(Mg,Mn
2+
 
)
 
2
(Mn
3+
 
,Fe
3+
 
)(BO
 
3
)O
 
2
6.AB.45Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)(BO
 
3
)O
 
2
6.AB.45Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)(BO
 
3
)O
 
2
6.AB.45Aluminomagnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Al,Mg,Sn)(BO
 
3
)O
 
2
6.AB.50Fluoborite
Mg
 
3
(BO
 
3
)(F,OH)
 
3
6.AB.50Hydroxylborite
Mg
 
3
(BO
 
3
)(OH)
 
3
6.AB.55Shabynite
Mg
 
5
(BO
 
3
)(OH)
 
5
(Cl,OH)
 
2
 · 4H
 
2
O
6.AB.55Wightmanite
Mg
 
5
(BO
 
3
)O(OH)
 
5
 · 2H
 
2
O
6.AB.60Gaudefroyite
Ca
 
4
Mn
3+
2-3
(BO
 
3
)
 
3
(CO
 
3
)(O,OH)
 
3
6.AB.65Sakhaite
Ca
 
12
Mg
 
4
(BO
 
3
)
 
7
(CO
 
3
)
 
4
(OH)
 
2
Cl
6.AB.70Harkerite
Ca
 
12
Mg
 
4
Al(BO
 
3
)
 
3
(SiO
 
4
)
 
4
(CO
 
3
)
 
5
 · H
 
2
O
6.AB.75Pertsevite-(F)
Mg
 
2
(BO
 
3
)(F,OH)
6.AB.75Pertsevite-(OH)
Mg
 
2
(BO
 
3
)(OH)
6.AB.80Jacquesdietrichite
Cu
 
2
(H
 
2
BO
 
3
)(OH)
 
3
6.AB.85Painite
CaZrAl
 
9
(BO
 
3
)O
 
15

Other Names for Bonaccordite

Synonyms:
IMA1974-019
Other Languages:
German:Bonaccordit
Spanish:Bonaccordita

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 Bonaccordite

Reference List:

- +
American Mineralogist: 61: 502.

Internet Links for Bonaccordite

Search Engines:
  • Look for Bonaccordite on Google
  • Look for Bonaccordite images on Google
    • External Links:
  • Look for Bonaccordite on Webmineral
  • Look for Bonaccordite on Athena Mineralogy
  • Look for Bonaccordite on Wikipedia
  • Look for Bonaccordite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Bonaccordite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Wilensky Fine Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • The Arkenstone - Fine Minerals
  • Fabre Minerals - search for Bonaccordite specimens
  • Buy from David K Joyce minerals
  • SpiriferMinerals.com - high quality low prices
  • Buy fine minerals and gemstones from Pala International
  • Bonaccordite specimens for sale - minfind.com
  • webminerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • High-end worldwide specimens & outstanding customer service
  • rare and unusual minerals mainly crystallized
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Bonaccordite

    The 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.
    Hide Locality List
    (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.
    South Africa
     
    • Mpumalanga Province
      • Barberton District
        • Bon Accord
    		[Trans.Geol.Soc.S.Afr.(1974) 77, 373; Nickel & Nichols, 1991 - "Mineral Reference Manual, p25]
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 6th Mar 2013 16:20:57
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds