Bonaccordite (original) (raw)

A valid IMA mineral species

07695130014947570829835.jpg

06854210014947570826025.jpg

About BonaccorditeHide

This section is currently hidden. Click the show button to view.

Colour:

Reddish-brown, light grey

Specific Gravity:

5.17 (Calculated)

Crystal System:

Orthorhombic

Name:

Named for the type locality at Bon Accord, South Africa.

This page provides mineralogical data about Bonaccordite.

Unique IdentifiersHide

This section is currently hidden. Click the show button to view.

Long-form identifier:

mindat:1:1:717:9

9d202ddd-0f06-4c10-b857-978a6dba4fcc

IMA Classification of BonaccorditeHide

This section is currently hidden. Click the show button to view.

IMA Formula:

Ni2Fe3+O2(BO3)

Type description reference:

Classification of BonaccorditeHide

This section is currently hidden. Click the show button to view.

6.AB.30

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.

24.2.1.4

24 : ANHYDROUS BORATES
2 : A2BO2[XO3]

9.9.1

9 : Borates
9 : Borates of Ni

Mineral SymbolsHide

This section is currently hidden. Click the show button to view.

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Bna IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of BonaccorditeHide

This section is currently hidden. Click the show button to view.

Colour:

Reddish-brown, light grey

Hardness:

VHN15=1069 kg/mm2 - Vickers

Density:

5.17 g/cm3 (Calculated)

Optical Data of BonaccorditeHide

This section is currently hidden. Click the show button to view.

Anisotropism:

Medium to strong.

Bireflectance:

Distinct, in oil.

Colour in reflected light:

Gray with brownish tinge

Internal Reflections:

Strong reddish brown

Comments:

R1–R2: 14.2–17.6

Chemistry of BonaccorditeHide

This section is currently hidden. Click the show button to view.

Mindat Formula:

Ni2Fe3+(BO3)O2

Crystallography of BonaccorditeHide

This section is currently hidden. Click the show button to view.

Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 9.213(6) Å, b = 12.229(7) Å, c = 3.001(2) Å

Ratio:

a:b:c = 0.753 : 1 : 0.245

Unit Cell V:

338.11 ų (Calculated from Unit Cell)

Comment:

Space Group by analogy to ludwigite group

Crystal StructureHide

This section is currently hidden. Click the show button to view.

Load
Unit Cell |Unit Cell Packed
2x2x2 |3x3x3 |4x4x4

Show
Big Balls |Small Balls |Just Balls |Spacefill
Polyhedra Off |Si Polyhedra |All Polyhedra
Remove metal-metal sticks

Display Options
Black Background |White Background
Perspective On |Perspective Off
2D |Stereo |Red-Blue |Red-Cyan

View
CIF File Best |x |y |z |a |b |c

Rotation
Stop |Start

Labels
Console Off |On |Grey |Yellow

ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0014105 Bonaccordite Perkins D A, Attfield J P (1991) Resonant powder X-ray determination of the cation distribution in FeNi2BO5 Journal of the Chemical Society, Chemical Communications 1991 229-231 1991 synthetic 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

This section is currently hidden. Click the show button to view.

Powder Diffraction Data:

d-spacing Intensity
2.548 Å (100)
2.514 Å (100)
5.10 Å (50)
1.898 Å (50)
4.61 Å (40)
2.334 Å (35)
2.025 Å (35)

Geological EnvironmentHide

This section is currently hidden. Click the show button to view.

Type Occurrence of BonaccorditeHide

This section is currently hidden. Click the show button to view.

General Appearance of Type Material:

Clusters of slender prisms up to 400x30 microns, forming veins in other minerals, and as rosette-like radiating groups in liebenbergite and trevorite.

Place of Conservation of Type Material:

Royal Ontario Museum, Toronto, Ontario, Canada, M33443.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 132463.

Geological Setting of Type Material:

Tabular body of nickeliferous serpentinite.

Associated Minerals at Type Locality:

Reference:

De Waal, S.A., Viljoen, E.A., Calk, L.C. (1974) Nickel minerals from Barberton, South Africa: VII. Bonaccordite, the nickel analogue of ludwigite. Transactions of the Geological Society of South Africa: 77: 375-375.

Synonyms of BonaccorditeHide

This section is currently hidden. Click the show button to view.

Other Language Names for BonaccorditeHide

This section is currently hidden. Click the show button to view.

Relationship of Bonaccordite to other SpeciesHide

This section is currently hidden. Click the show button to view.

Other Members of this group:

Azoproite (Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
Fredrikssonite Mg2(Mn3+,Fe3+)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
Ludwigite Mg2Fe3+(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
Marinaite Cu2Fe3+O2(BO3) Mon. 2/m : _P_21/b
Savelievaite Mg2Cr3+O2(BO3) Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
Vonsenite Fe2+2Fe3+(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m

Common AssociatesHide

This section is currently hidden. Click the show button to view.

Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

This section is currently hidden. Click the show button to view.

6.AB. Rhabdoborite-(Mo) Mg12Mo6+1.33O6(BO3)6F2 Hex. 6 : _P_63
6.AB. Chubarovite KZn2(BO3)Cl2 Trig. 32 : _R_32
6.AB.05 Hambergite Be2(BO3)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a
6.AB.10 Berborite Be2(BO3)(OH,F) · H2O Trig.
6.AB.15 Jeremejevite Al6(BO3)5(F,OH)3 Hex. 6/m : _P_63/m
6.AB.20 Warwickite (Mg,Ti,Fe,Al)2O(BO3) Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
6.AB.20 Yuanfuliite Mg(Fe3+,Al)O(BO3) Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
6.AB.25 Karlite (Mg,Al)6.5(BO3)3(OH)4(◻,Cl)0.5 Orth. 222 : _P_21212
6.AB.30 Azoproite (Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
6.AB.30 Fredrikssonite Mg2(Mn3+,Fe3+)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
6.AB.30 Ludwigite Mg2Fe3+(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
6.AB.30 Vonsenite Fe2+2Fe3+(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
6.AB.30 Marinaite Cu2Fe3+O2(BO3) Mon. 2/m : _P_21/b
6.AB.30 Savelievaite Mg2Cr3+O2(BO3) Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m
6.AB.35 Pinakiolite (Mg,Mn2+)2Mn3+(BO3)O2 Mon. 2/m : _B_2/m
6.AB.35 Folvikite Sb5+Mn3+(Mg,Mn2+)10O8(BO3)4 Mon. 2 : _P_2
6.AB.40 Blatterite Sb5+3(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
6.AB.40 Chestermanite Mg2(Fe3+,Mn3+,Al,Sb3+)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m )
6.AB.40 Orthopinakiolite (Mg,Mn2+)2Mn3+(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
6.AB.40 Takéuchiite (Mg,Mn2+)2(Mn3+,Fe3+)(BO3)O2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
6.AB.45 Hulsite (Fe2+,Mg)2(Fe3+,Sn)(BO3)O2 Mon. 2/m : _P_2/m
6.AB.45 Magnesiohulsite (Mg,Fe2+)2(Fe3+,Sn,Mg)(BO3)O2 Mon. 2/m : _P_2/m
6.AB.45 Aluminomagnesiohulsite (Mg,Fe2+)2(Al,Mg,Sn)(BO3)O2 Mon. 2/m : _P_2/m
6.AB.50 Fluoborite Mg3(BO3)(F,OH)3 Hex. 6/m : _P_63/m
6.AB.50 Hydroxylborite Mg3(BO3)(OH)3 Hex. 6/m : _P_63/m
6.AB.55 Shabynite Mg5(BO3)(OH)5(Cl,OH)2 · 4H2O Mon.
6.AB.55 Wightmanite Mg5(BO3)O(OH)5 · 2H2O Mon. 2/m
6.AB.60 Gaudefroyite Ca4Mn3+2-3(BO3)3(CO3)(O,OH)3 Hex.
6.AB.65 Sakhaite Ca48Mg16(BO3)32(CO3)16 · 2(H2O,HCl) Iso. m_3_m _(_4/_m_32/m ) : F d_3_m
6.AB.70 Harkerite Ca48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16 · 2(H2O,HCl) Trig. 3_m_ _(_32/m ) : R_3_m
6.AB.75 Pertsevite-(F) Mg2(BO3)(F,OH) Orth. m _m_2 : P n _a_21
6.AB.75 Pertsevite-(OH) Mg2(BO3)(OH) Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
6.AB.80 Jacquesdietrichite Cu2(H2BO3)(OH)3 Orth. m m m _(_2/_m_2/_m_2/m ) : P m n a
6.AB.85 Painite CaZrAl9(BO3)O15 Hex. 6/m : _P_63/m
6.AB.85 Rhabdoborite-(V) Mg12(V5+,Mo6+,W6+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} (x < 1) Hex. 6 : _P_63
6.AB.85 Rhabdoborite-(W) Mg12(W6+,V5+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} Hex. 6 : _P_63
6.AB.90 Mengxianminite (Ca,Na)2Sn2(Mg,Fe)3Al8[(BO3)(BeO4)O6]2 Orth. m _m_2 : F d _d_2

Other InformationHide

This section is currently hidden. Click the show button to view.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

This section is currently hidden. Click the show button to view.

References for BonaccorditeHide

This section is currently hidden. Click the show button to view.

Reference List:

Tredoux, M., Zaccarini, F., Garuti, G., Miller, D.E. (2016): Phases in the Ni-Sb-AS system which occur in the Bon Accord oxide body, Barberton greenstone belt, South Africa. Mineralogical Magazine, 80, 187-198

Localities for BonaccorditeHide

This section is currently hidden. Click the show button to view.

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 section is currently hidden. Click the show button to view.

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

South Africa (TL)
Mpumalanga Ehlanzeni District Municipality Mbombela Local Municipality Barberton ⓘ Bon Accord Ni deposit (TL) De Waal et al. (1974) +2 other references