according to E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001)


6.A: Monoborates

6.AA. BO3 without additional anions, 1(Δ)
6.AA.05. Sassolite group
Sassolite B(OH)3 tric., P-1 FOTOG

6.AA.10. Group reserved

6.AA.15. Nordenskiöldine group
Nordenskiöldine CaSn(BO3)2 trig., R-3FOTOG
Tusionite MnSn(BO3)2 trig., R-3IMA 1982-090

6.AA.20. Group reserved
6.AA.25. Group reserved
6.AA.30. Group reserved
6.AA.35. Kotoite group
Kotoite Mg3(BO3)2 orth., Pnmn G
Jimboite Mn3(BO3)2 orth., Pnmn IMA 1963-002

6.AA.40. Takedaite group
Takedaite Ca3(BO3)2 trig., R-3c G

6.AB. BO3 with additional anions, 1(Δ) + OH etc.
6.AB.05. Hambergite group
Hambergite Be2(BO3)(OH) orth., Pbca G

6.AB.10. Berborite group
Berborite    (Berborite-1T) Be2(BO3)(OH,F) · H2O trig., P3 IMA 1967-004
     Berborite-2T Be2(BO3)(OH,F) · H2O trig., P3c1 Poly
     Berborite-2H Be2(BO3)(OH,F) · H2O hex., P63 Poly

6.AB.15. Jeremejewite group
Jeremejewite Al6(BO3)5F3 hex., P63/m G

6.AB.20. Warwickite group
Warwickite (Mg,Ti,Fe,Cr,Al)2O(BO3) orth., Pnam G
Yuanfuliite Mg(Fe,Al)O(BO3) orth., Pnam IMA 1994-001

6.AB.25. Karlite group
Karlite (Mg,Al)7(BO3)3(OH)4Cl1-x orth., P21212 1980-030

6.AB.30. Ludwigite group
Ludwigite Mg2Fe3+O2(BO3) orth., Pbam G
Vonsenite Fe2+2Fe3+O2(BO3) orth., Pbam G
Fredrikssonit Mg2Mn3+O2(BO3) orth., Pbam IMA 1983-040
Azoproite Mg2(Fe3+,Ti,Mg)O2(BO3) orth., Pbam IMA 1970-021
Bonaccorddite Ni2Fe3+O2(BO3) orth., Pbam IMA 1974-019

6.AB.35. Pinakiolite group
Pinakiolite (Mg,Mn)2(Mn3+,Sb5+O2(BO3) mon., C2/m G

6.AB.40. Orthopinakiolite group
Orthopinakiolite Mg2Mn3+O2(BO3) orth., Pnnm A
Chestermanite Mg2(Fe3+,Mg,Al,Sb)O2(BO3) orth., Pbam IMA 1986-058
Takéuchiite (Takeuchiite) Mg2Mn3+O2(BO3) orth., Pnnm IMA 1980-018
Blatterite Sb5+3Mn3+9Mn2+35(BO3)16O32 orth., Pnnm IMA 1984-038

6.AB.45. Hulsite group
Hulsite (Fe2+,Mg)2(Fe3+,Sn)O2(BO3) mon., P2/m G
Hulsite Mg2(Fe3+,Sn)O2(BO3) mon., P2/m IMA 1983-074
Aluminomagnesiohulsite Mg2(Al,Mg,Sn)O2(BO3) mon., P2/m IMA 2002-038

6.AB.50. Fluoborite group
Fluoborite Mg3(BO3)F3 hex., P63/m G
Hydroxylborite Mg3(BO3)(OH)3 hex., P63/m IMA 2005-054

6.AB.55. Wightmanite group
Wightmanite Mg5O(BO3)(OH)5 · 2 H2O mon., I2/m A
Shabynite Mg5(BO3)(OH)5Cl2 · 4 H2O mon. IMA 1979-075

6.AB.60. Gaudefroyite group
Gaudefroyite Ca4Mn3(BO3)3(CO3)(O,OH)3 hex., P63 FOTOIMA 1964-006

6.AB.65. Sakhaite group
Sakhaite Ca48Mg16Al(SiO3OH)4(CO3)16(BO3)28· (H2O)3(HCl)3 cub., Fd-3m IMA 1965-035

6.AB.70. Harkerite group
Harkerite Ca12Mg4Al(SiO4)4(CO3)5(BO3)3 · H2O trig., R-3m G

6.AB.75. Pertsevite group
Pertsevite-(F) Mg2(BO3)F orth., Pna21 IMA 2002-030
Pertsevite-(OH) Mg2(BO3)(OH) orth., Pnma IMA 2008-060

6.AB.80. Jacquesdietrichite group
Jacquesdietrichite Cu2BO(OH)5 orth., Pnma IMA 2003-012

6.AB.85. Painite group
Painite CaZrAl9O15(BO3) hex., P63/m G

6.AC. B(O,OH)4, without and with additional anions; 1(T), 1(T)+OH etc. etc.
6.AC.05. Sinhalite group
Sinhalite MgAlBO4 orth., Pbnm G

6.AC.10. Pseudosinhalite group
Pseudosinhalite Mg2Al3B2O9(OH) mon., P21/c IMA 1997-014

6.AC.15. Behierite group
Behierite TaBO4 tetr., I41/amd FOTOA
Schiavinatoite NbBO4 tetr., I41/amd IMA 1999-051

6.AC.20. Frolovite group
Frolovite Ca(B(OH)4)2 tric., P-1 G

6.AC.25. Hexahydroborite group
Hexahydroborite Ca(B(OH)4)2 · 2 H2O mon., P2/c IMA 1977-015

6.AC.30. Henmilite group
Henmilite Ca2Cu(B(OH)4)2(OH)4 tric., P-1 IMA 1981-050

6.AC.35. Bandylite group
Bandylite CuB(OH)4Cl tetr., P4/n G

6.AC.40. Teepleite group
Bandylite Na2B(OH)4Cl tetr., P4/nmm G

6.AC.45. Moydite group
Moydite-(Y) YB(OH)4(CO3) orth., Pbca IMA 1985-025

6.AC.50. Carboborite group
Carboborite Ca2Mg(B(OH)4)2(CO3)2 · 4 H2O mon., P21/n A

6.AC.55. Sulfoborite group
Sulfoborite Mg3(B(OH)4)2(SO4)(OH,F)2 orth., Pnma G

6.AC.60. Lüneburgite group
Lüneburgite Mg3(B2(OH)6(PO4)2) · 6 H2O tric., P-1 G

6.AC.65. Seamanite group
Seamanite Mn3B(OH)4(PO4)(OH)2 orth., Pbnm G

6.AC.70. Cahnite group
Cahnite Ca2B(OH)4(AsO4) tetr., I-4 G

in bold: grandfathered, IMA accepted, renamed and redefined (with IMA approval) minerals,
in normal letters: minerals published without IMA approval, questionable minerals, polytypes

G = Grandfathered minerals: original description preceded the establishment of the CNMNC in 1959, and generally regarded as a valid species
A or IMA No. = Minerals approved by the CNMNC
Rd = Redefinition of the mineral approved by the CNMNC
Rn = Renamed with approval by the CNMNC
GROUP = a name used to designate a group of species
N = Mineral published without approval of the CNMNC
Q = Questionable mineral
H = Hypothetical mineral (synthetic, anthropogenic, etc.)
D = Discredited by the CNMNC
Poly = Polytype

© Thomas Witzke / Stollentroll (2007-2010)