Mineralienatlas - Fossilienatlas
54 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates |
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54.01 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates with (BO3) |
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54.01.01 Grandidierite Group |
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Grandidierit | (Mg,Fe2+)Al3(BO4)(SiO4)O | orthorhombisch | Pbnm | mmm | 54.01.01.01 |
Ominelit | (Fe2+,Mg)Al3[O|BO4|SiO4] | orthorhombisch | Pbnm | mmm | 54.01.01.02 |
54.01.02 Dumortierite group |
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Dumortierit | AlAl6BSi3O18 | orthorhombisch | Pmcn | mmm | 54.01.02.01 |
Magnesiodumortierit | MgAl6BSi3O17(OH) | orthorhombisch | Pmcn | mmm | 54.01.02.02 |
54.02 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates with B in [4] coordination |
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54.02.01a Datolite group (Datolite series) |
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Datolith | CaBSiO4(OH) | monoklin | P21/c | 2/m | 54.02.01a.01 |
Hingganit-(Ce) | CeBe(SiO4)(OH) | monoklin | P21/a | 2/m | 54.02.01a.02 |
Hingganit-(Y) | (Y,Yb,Er)BeSiO4(OH) | monoklin | P21/c | 2/m | 54.02.01a.03 |
Hingganit-(Yb) | (Yb,Y)BeSiO4(OH) | monoklin | P21/a | 2/m | 54.02.01a.04 |
54.02.01b Datolite group (Homilite series) |
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Bakerit | Ca4B4(BO4)(SiO4)3(OH)3·H2O | monoklin | P21/c | 2/m | 54.02.01b.01 |
Gadolinit-(Ce) | Ce2Fe2+Be2O2(SiO4)2 | monoklin | P21/c | 2/m | 54.02.01b.02 |
Gadolinit-(Y) | Y2Fe2+Be2O2(SiO4)2 | monoklin | P21/a | 2/m | 54.02.01b.03 |
Homilit | Ca2(Fe2+,Mg)B2Si2O10 | monoklin | P21/a | 2/m | 54.02.01b.05 |
Minasgeraisit-(Y) | CaBi(Y,Er)2Mn<0,5(Be,B,Si)4[(OH,O) SiO4]4 | triklin | P1 | 1 | 54.02.01b.06 |
54.02.02 Hellandite group |
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Hellandit-(Y) | (Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2 | monoklin | P2/a | 2/m | 54.02.02.01 |
Hellandit-(Ce) | (Ca,REE)4Ce2Al(Be,Li)2-xB4Si4O22(OH)2 | monoklin | P2/a | 2/m | 54.02.02.04 |
Mottanait-(Ce) | Ca4(Ce,REE)Σ2Al(Be1.5☐0.5)Σ2[B4Si4O22]O2 | monoklin | P2/a | 2/m | 54.02.02.05 |
Ciprianiit | Ca4[(Th,U),Ca]Σ2Al(Be0.5☐1.5)Σ2[B4Si4O22](OH)2 | monoklin | P2/a | 2/m | 54.02.02.06 |
54.02.03 Cappellanite - Stillwellite group |
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Cappelenit-(Y) | Ba(Y,Ce)6Si3B6O24F2 | trigonal | P3 | 3 | 54.02.03.01 |
Stillwellit-(Ce) | (Ce,La,Ca)BSiO5 | trigonal | P31 | 3 | 54.02.03.02 |
54.02.04 Howlite and related species |
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Okanoganit-(Y) | (Na,Ca)3(Y,Ce)12Si6B2O27F14 | trigonal | R3m | 3m | 54.02.04.03 |
54.02.05 Tritomite group |
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Tritomit-(Ce) | Ce5(SiO4,BO4)3(OH,O) | hexagonal | P63/m | 6/m | 54.02.05.01 |
Tritomit-(Y) | (Y,Ca,La,Fe2+)5(Si,B,Al)3(O,OH,F)13 | hexagonal | P63/m | 6/m | 54.02.05.02 |
Melanocerit-(Ce) | (Ce,Ca)5(SiO4,BO4)3(OH,O) | amorph | 54.02.05.03 | ||
54.03 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates |
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54.03.01 Vicanite Group |
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Vicanit-(Ce) | Na0.5(Ce,Ca,Th)15Fe3+[F9|(As3+O3)0.5|As5+O4|BO3|Si3B3O18|SiO4)3] | trigonal | R3m | 3m | 54.03.01.01 |