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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.E: Pentaborates
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6.EA. Neso-pentaborates
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6.EA.05. Sborgite group (4 Δ + 1 Tetrahedron)
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Sborgite | |
NaB5O6(OH)4 · 3 H2O | |
mon., C2/c | |
| | | | G |
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6.EA.10. Santite group (4 Δ + 1 Tetrahedron)
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Santite | |
KB5O6(OH)4 · 2 H2O | |
orth., Aba2 | | | | | | IMA 1969-044 |
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Ramanite-(Rb) | |
RbB5O6(OH)4 · 2 H2O | |
orth., Aba2 | | | | | | IMA 2007-006 |
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Ramanite-(Cs) | |
CsB5O6(OH)4 · 2 H2O | |
mon., C2/c | | | | | | IMA 2007-006 |
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6.EA.15. Ammonioborite group (4 Δ + 1 Tetrahedron )
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Ammonioborite | |
(NH4)3B15O20(OH)8 · 4 H2O | |
mon., C2/c | | | | | | G |
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6.EA.20. - (group reserved) (3 Δ + 2 Tetrahedra)
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6.EA.25. Ulexite group (2 Δ + 3 Tetrahedra)
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Ulexite | |
NaCaB5O6(OH)6 · 5 H2O | |
tric., P-1 | |
FOTO | | | | G |
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6.EB. Ino-pentaborates
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6.EB.05. Larderellite group (4 Δ + 1 Tetrahedron)
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Larderellite | |
NH4B5O7(OH)2 · H2O | |
mon., P21/c | |
FOTO | | | | G |
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6.EB.10. Ezcurrite group (3 Δ + 2 Tetrahedra)
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Ezcurrite | |
Na2B5O7(OH)3 · 2 H2O | |
tric., P-1 | | | | | | G |
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6.EB.15. Probertite group (2 Δ + 3 Tetrahedra)
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Probertite | |
NaCaB5O7(OH)4 · 3 H2O | |
mon., P21/a | |
FOTO | | | | G |
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6.EB.20. Tertschite group
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Tertschite | |
Ca2B5O7(OH)5 · 7 H2O (?) | |
mon. (?) | | | | | | Q |
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6.EB.25. Priceite group
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Priceite | |
Ca2B5O7(OH)5 · H2O | |
tric. | | | | | | G |
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6.EC. Phyllo-pentaborates
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6.EC.05. Biringuccite group (3 Δ + 2 Tetrahedra)
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Biringuccite | |
Na2B5O8(OH) · H2O | |
mon., P21/c | | | | | | A |
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Nasinite | |
Na2B5O8(OH) · 2 H2O | |
orth., Pna21 | | | | | | A |
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6.EC.10. Gowerite group (3 Δ + 2 Tetrahedra + 1 Δ)
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Gowerite | |
Ca(B5O8(OH))(B(OH)3) · 3 H2O | |
mon., P21/a | | | | | | A |
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6.EC.15. Veatchite group (3 Δ + 2 Tetrahedra + 1 Δ)
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Veatchite | |
Sr2(B5O8(OH))2(B(OH)3) · H2O | |
mon., Aa | | | | | | G |
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Veatchite-A | |
Sr2(B5O8(OH))2(B(OH)3) · H2O | |
tric., A-1 or A1 | | | | | | IMA 1978-030 |
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Veatchite-P | |
Sr2(B5O8(OH))2(B(OH)3) · H2O | |
mon., P21 | | | | | | A |
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6.EC.20. Volkovskite group (3 Δ + 2 Tetrahedra + 1 Δ)
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Volkovskite | |
Ca4(B5O8(OH))4(B(OH)3)2 · KCl · 4 H2O | |
tric., P1 | | | | | | A |
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6.EC.25. Tuzlaite group (2 Δ + 3 Tetrahedra + 1 Δ)
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Tuzlaite | |
CaNa(B5O8(OH)2) · 3 H2O | |
mon., P21/c | | | | | | IMA 1993-022 |
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6.EC.30. Heidornite group
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Heidornite | |
Ca3Na2(B5O8(OH)4)(SO4)2Cl | |
mon., C2/c | |
FOTO | | | | G |
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6.EC.35. Brianroulstonite group
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Brianroulstonite | |
Ca3B5O6(OH)6)Cl2(OH) · 8 H2O | |
mon., Pa | | | | | | IMA 1996-009 |
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6.ED. Tekto-pentaborates
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6.ED.05. Hilgardite group (2 Δ + 3 Tetrahedra)
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Hilgardite (Hilgardite-1A) | |
Ca2B5O9Cl · H2O | |
tric., P1 | | | | | | G |
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Hilgardite-3A | |
Ca2B5O9Cl · H2O | |
tric., P1 | | | | | | Poly |
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Hilgardite-4M | |
Ca2B5O9Cl · H2O | |
mon., Aa | | | | | | Poly |
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Kurgantaite | |
CaSrB5O9Cl · H2O | |
tric., P1 | | | | | | Rd |
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Tyretskite | |
Ca2B5O9(OH) · H2O | |
tric., P1 | | | | | | A |
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Leucostaurite | |
Pb2B5O9Cl · 0.5 H2O | |
orth., Pnn2 | | | | | | IMA 2007-047 |
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)
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