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MINERAL CLASSIFICATION / SYSTEMATIK der MINERALE

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



6. BORATES



6.B: Diborates




6.BA. Neso-diborates with double triangles B2(O,OH)5
 
6.BA.05. Suanite group
 
Suanite Mg2(B2O5) tric., P-1     A

 
6.BA.10. Kurchatovite group
 
Kurchatovite Ca(Mg,Fe,Mn)(B2O5) orth., Pca21 IMA 1965-034
Clinokurchatovite Ca(Mg,Fe,Mn)(B2O5) mon., P21/c IMA 1982-017

 
6.BA.15. Szaibelyite group
 
Szaibelyite Mg2(B2O4OH)(OH) mon., P21/a A
Sussexite Mn2(B2O4OH)(OH) mon., P21/a G

 
6.BA.20. Wiserite group
 
Wiserite Mn14(B2O5)4(OH)8 (Si,Mg)(O,OH)4Cl tetr., P4/n G





 
6.BB. Neso-diborates with double tetrahedra B2O(OH)6
 
6.BB.05. Pinnoite group
 
Pinnoite Mg(B2O(OH)6) tetr., P42 G

 
6.BB.10. Pentahydroborite group
 
Pentahydroborite Ca(B2O(OH)6) 2 H2O tric, P1 A





 
6.BC. Ino-diborates with triangles and/or tetrahedra
 
6.BC.05. - (reserved for Ca(B2O4)-I structure type)
 
 
6.BC.10. Calciborite group
 
Calciborite Ca(B2O4) orth., Pccn G
 
6.BC.15. Vimsite group
 
Vimsite Ca(B2O2(OH)4) mon., C2/c IMA 1968-034
 
6.BC.20. Sibirskite group
 
Sibirskite Ca(B2O5) H2O mon., P2/m G
Parasibirskite Ca(B2O5) H2O mon., P21/m IMA 1996-051





 
6.BD. Ino-diborates ....
 
6.BD.05. Santarosaite group
 
Santarosaite CuB2O4 tetr., I-42d IMA 2007-013





 * New, not in Nickel & Nichols (2009)

in bold: grandfathered, IMA accepted, renamed and redefined (with IMA CNMNC 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)


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