| Actinolite | | โ{Ca | | }{(Mg,Fe | | ) | | }(Si | | O | | )(OH) | | |
|
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| Adranosite-(Fe) | |
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| Aerinite | | (Ca | | Na | | )(Fe | | ,Al,Fe | | ,Mg) | | (Al,Mg) | | [HSi | | O | | (OH) | | ][(CO | | ) | | (H | | O) | | ] |
|
|---|
| Aeschynite-(Ce) | | (Ce,Ca,Fe,Th)(Ti,Nb) | | (O,OH) | | |
|
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| Aeschynite-(Y) | | (Y,Ca,Fe,Th)(Ti,Nb) | | (O,OH) | | |
|
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| Aheylite | |
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| Akaganeite | |
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| Akatoreite | |
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| Alcaparrosaite | |
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| Allanite-(Ce) | | {CaCe}{Al | | Fe | | }(Si | | O | | )(SiO | | )O(OH) |
|
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| Allanite-(La) | | {CaLa}{Al | | Fe | | }(Si | | O | | )(SiO | | )O(OH) |
|
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| Allanite-(Nd) | | {CaNd}{Al | | Fe | | }(Si | | O | | )(SiO | | )O(OH) |
|
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| Allanite-(Y) | | {CaY}{Al | | Fe | | }(Si | | O | | )(SiO | | )O(OH) |
|
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| Allanpringite | |
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| 'Aloisiite' | |
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| 'Aluminian Hisingerite' | |
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| 'Aluminian nontronite' | | Na | | Fe | | Al | | Si | | · | | O | | (OH) | |
Or close |
|
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| 'Alumino-ferro-hornblende' | |
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| 'Alumino-ferrobarroisite' | | โ{CaNa}{Fe | | Al | | }(AlSi | | O | | )(OH) | | |
|
|---|
| Aluminoceladonite | |
|---|
| Aluminocerite-(Ce) | | (Ce,La,Ca) | | (Al,Fe | | )(SiO | | ) | | (HSiO | | ) | | (OH) | | |
|
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| Aluminocopiapite | |
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| Aluminocoquimbite | |
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| 'Alumo-chalcosiderite' | |
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| 'Alumogoethite' | |
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| 'Alumolimonite' | |
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| Amakinite | |
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| Amarantite | |
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| Amarillite | |
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| Ammoniojarosite | |
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| Ammoniomagnesiovoltaite | |
|---|
| Anandite | | (Ba,K)(Fe | | ,Mg) | | ((Si,Al,Fe) | | O | | )(S,OH) | | |
|
|---|
| Anapaite | |
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| Angarfite | |
|---|
| Annite | |
|---|
| 'Antillite' | |
|---|
| 'Apatelite' | |
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| 'Aphrosiderite' | |
|---|
| 'Aquacreptite (of Shepard)' | | Mg | | Fe | | Si | | O | | · 8H | | O with some Al | | O | | , or near |
|
|---|
| Arakiite | | (Zn,Mn | | )(Mn | | ,Mg) | | (Fe | | ,Al) | | (As | | O | | ) | | (As | | O | | )(OH) | | |
|
|---|
| Ardennite-(V) | | Mn | | Al | | (Mg,Al,Fe | | ,Mn | | ) | | (Si | | O | | )(SiO | | ) | | (VO | | ,SiO | | )(OH) | | |
|
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| Arfvedsonite | |
|---|
| Arfvedsonite Group | |
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| Argentojarosite | |
|---|
| Arrojadite-(BaFe) | | {Ba◻}{Fe | | ◻}{Ca}{Na | | ◻}{Fe | | }{Al}(PO | | ) | | (HPO | | )(OH) | | |
|
|---|
| 'Arrojadite-(BaNa)' | | {Ba◻}{Na | | }{Ca}{Na | | ◻}{Fe | | }{Al}(PO | | ) | | (HPO | | )(OH) | | |
|
|---|
| Arrojadite-(KFe) | | {KNa}{Fe | | ◻}{Ca}{Na | | ◻}{Fe | | }{Al}(PO | | ) | | (HPO | | )(OH) | | |
|
|---|
| 'Arrojadite-(KFeNa)' | | {KNa}{Fe | | ◻}{Ca}{Na | | }{Fe | | }{Al}(PO | | ) | | (HPO | | )(OH) | | |
|
|---|
| Arrojadite-(KNa) | | {KNa}{Na | | }{Ca}{Na | | ◻}{Fe | | }{Al}(PO | | ) | | (HPO | | )(OH) | | |
|
|---|
| 'Arrojadite-(NaFe)' | | {Na | | }{Fe | | ◻}{Ca}{Na | | ◻}{Fe | | }{Al}(PO | | ) | | (HPO | | )(OH) | | |
|
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