Poás Volcano, Sarchí Canton, Alajuela Province, Costa Ricai
Regional Level Types | |
---|---|
Poás Volcano | Stratovolcano (Active) |
Sarchí Canton | Canton |
Alajuela Province | Province |
Costa Rica | Country |
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Latitude & Longitude (WGS84):
10° 11' 55'' North , 84° 13' 57'' West
Latitude & Longitude (decimal):
Type:
Stratovolcano (Active) - last checked 2023
Köppen climate type:
Mindat Locality ID:
301676
Long-form identifier:
mindat:1:2:301676:6
GUID (UUID V4):
02974830-c023-4306-a6b8-6efa3aaa7b8b
Name(s) in local language(s):
(Spanish) Volcán Poás
Poás is a large, active stratovolcano located about 19 km north of Alajuela in Alajuela Province, Costa Rica. The surrounding area is protected by the Poás Volcano National Park. Extensive emission of hydrogen sulfide and sulfur dioxide gases for decades has defoliated a large area west of the active crater, and the park is frequently closed to visitors due to poor air quality. Due to the ongoing risk of further violent activity without sufficient seismic warning to enable safe evacuation, the park was closed to visitors for a time following significant eruptions in April 2017. Limited visitation had resumed as of December 2018.
The active crater, at approximately 300 m in diameter one of the largest active volcanic craters in the world, is occupied by a rain-fed lake rendered acidic by fumaroles on the floor of the crater. A period of increased activity in the late 1980s increased the temperature of the lake from 40°C to 85°C, and as a consequence the lake largely evaporated for a time except for a few small, highly concentrated pools whose pH was measured as low as 0.2, one of the most acidic conditions to exist anywhere on Earth. The crater photos by E.L. Clopton on this page were taken during that time. In the early 1990s, the temperature decreased enough to allow the crater to refill with water. The lake remains warm and is disturbed from time to time by phreatic eruptions, jets of steam formed by lake water seeping into hot fissures in the crater floor.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
49 valid minerals. 1 erroneous literature entry.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
ⓘ Alunite Formula: KAl3(SO4)2(OH)6 References: |
ⓘ Alunogen Formula: Al2(SO4)3 · 17H2O |
ⓘ Anatase Formula: TiO2 |
ⓘ Anhydrite Formula: CaSO4 |
ⓘ Ankerite Formula: Ca(Fe2+,Mg)(CO3)2 |
ⓘ Apjohnite Formula: Mn2+Al2(SO4)4 · 22H2O |
ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 References: |
ⓘ 'Brewsterite Subgroup' |
ⓘ Carobbiite Formula: KF |
ⓘ 'Chabazite' |
ⓘ Chabazite-Ca Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
ⓘ Copiapite Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O |
ⓘ Cowlesite Formula: CaAl2Si3O10 · 6H2O |
ⓘ Cristobalite Formula: SiO2 |
ⓘ Enstatite Formula: Mg2Si2O6 |
ⓘ Epsomite Formula: MgSO4 · 7H2O |
ⓘ 'Fayalite-Forsterite Series' |
ⓘ Goethite Formula: α-Fe3+O(OH) |
ⓘ Greigite Formula: Fe2+Fe3+2S4 |
ⓘ Gypsum Formula: CaSO4 · 2H2O |
ⓘ Halite Formula: NaCl |
ⓘ Halloysite Formula: Al2(Si2O5)(OH)4 |
ⓘ Halotrichite Formula: FeAl2(SO4)4 · 22H2O |
ⓘ Hematite Formula: Fe2O3 |
ⓘ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
ⓘ Huangite Formula: Ca0.5Al3(SO4)2(OH)6 |
ⓘ Hydrokenoralstonite Formula: Na0.5(Al,Mg)2(F,OH)6 · H2O |
ⓘ Jarosite Formula: KFe3+3(SO4)2(OH)6 |
ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 |
ⓘ Khademite Formula: Al(SO4)F · 5H2O |
ⓘ Kogarkoite Formula: Na3(SO4)F |
ⓘ Magnesiocopiapite Formula: MgFe3+4(SO4)6(OH)2 · 20H2O |
ⓘ ' Formula: Mg |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
ⓘ Magnetite var. Titanium-bearing Magnetite Formula: Fe2+(Fe3+,Ti)2O4 |
ⓘ Meta-alunogen Formula: Al2(SO4)3 · 12H2O |
ⓘ Montmorillonite Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
ⓘ Mordenite Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
ⓘ 'Natroalunite-2c' Formula: (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
ⓘ Pertlikite Formula: K2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2O |
ⓘ Phillipsite-K Formula: (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
ⓘ 'Phillipsite Subgroup' |
ⓘ Pickeringite Formula: MgAl2(SO4)4 · 22H2O |
ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 References: |
ⓘ Pyrite Formula: FeS2 |
ⓘ 'Pyroxene Group' Formula: ADSi2O6 References: |
ⓘ Quartz Formula: SiO2 |
ⓘ Römerite Formula: Fe2+Fe3+2(SO4)4 · 14H2O |
ⓘ Rostite Formula: Al(SO4)(OH) · 5H2O |
ⓘ Rutile Formula: TiO2 |
ⓘ Sauconite Formula: Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
ⓘ 'Smectite Group' Formula: A0.3D2-3[T4O10]Z2 · nH2O |
ⓘ Sofiite Formula: Zn2(SeO3)Cl2 |
ⓘ Sulphur Formula: S8 References: |
ⓘ 'Tennantite Subgroup' Formula: Cu6(Cu4C2+2)As4S12S |
ⓘ Tridymite Formula: SiO2 |
ⓘ Tychite Formula: Na6Mg2(CO3)4(SO4) |
ⓘ Ulvöspinel Formula: TiFe2+2O4 |
ⓘ Voltaite Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O |
ⓘ Woodhouseite Formula: CaAl3(PO4)(SO4)(OH)6 |
ⓘ Wurtzite Formula: (Zn,Fe)S |
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | 'Magnesium' ? | 1.AB. | Mg |
ⓘ | Sulphur | 1.CC.05 | S8 |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Wurtzite | 2.CB.45 | (Zn,Fe)S |
ⓘ | Greigite | 2.DA.05 | Fe2+Fe3+2S4 |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
ⓘ | 'Tennantite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)As4S12S |
Group 3 - Halides | |||
ⓘ | Carobbiite | 3.AA.20 | KF |
ⓘ | Halite | 3.AA.20 | NaCl |
ⓘ | Hydrokenoralstonite | 3.CF.05 | Na0.5(Al,Mg)2(F,OH)6 · H2O |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Goethite | 4.00. | α-Fe3+O(OH) |
ⓘ | Magnetite var. Titanium-bearing Magnetite | 4.BB.05 | Fe2+(Fe3+,Ti)2O4 |
ⓘ | 4.BB.05 | Fe2+Fe3+2O4 | |
ⓘ | Ulvöspinel | 4.BB.05 | TiFe2+2O4 |
ⓘ | Hematite | 4.CB.05 | Fe2O3 |
ⓘ | Quartz | 4.DA.05 | SiO2 |
ⓘ | Tridymite | 4.DA.10 | SiO2 |
ⓘ | Cristobalite | 4.DA.15 | SiO2 |
ⓘ | Rutile | 4.DB.05 | TiO2 |
ⓘ | Anatase | 4.DD.05 | TiO2 |
ⓘ | Sofiite | 4.JG.15 | Zn2(SeO3)Cl2 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
ⓘ | Tychite | 5.BF.05 | Na6Mg2(CO3)4(SO4) |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
ⓘ | Anhydrite | 7.AD.30 | CaSO4 |
ⓘ | Alunite | 7.BC.10 | KAl3(SO4)2(OH)6 |
ⓘ | 'Natroalunite-2c' | 7.BC.10 | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
ⓘ | Jarosite | 7.BC.10 | KFe3+3(SO4)2(OH)6 |
ⓘ | Huangite | 7.BC.10 | Ca0.5Al3(SO4)2(OH)6 |
ⓘ | Kogarkoite | 7.BD.15 | Na3(SO4)F |
ⓘ | Epsomite | 7.CB.40 | MgSO4 · 7H2O |
ⓘ | Alunogen | 7.CB.45 | Al2(SO4)3 · 17H2O |
ⓘ | Meta-alunogen | 7.CB.45 | Al2(SO4)3 · 12H2O |
ⓘ | Römerite | 7.CB.75 | Fe2+Fe3+2(SO4)4 · 14H2O |
ⓘ | Apjohnite | 7.CB.85 | Mn2+Al2(SO4)4 · 22H2O |
ⓘ | Pickeringite | 7.CB.85 | MgAl2(SO4)4 · 22H2O |
ⓘ | Halotrichite | 7.CB.85 | FeAl2(SO4)4 · 22H2O |
ⓘ | Pertlikite | 7.CC.25 | K2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2O |
ⓘ | Voltaite | 7.CC.25 | K2Fe2+5Fe3+3Al(SO4)12 · 18H2O |
ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
ⓘ | Khademite | 7.DB.10 | Al(SO4)F · 5H2O |
ⓘ | Rostite | 7.DB.10 | Al(SO4)(OH) · 5H2O |
ⓘ | Copiapite | 7.DB.35 | Fe2+Fe3+4(SO4)6(OH)2 · 20H2O |
ⓘ | Magnesiocopiapite | 7.DB.35 | MgFe3+4(SO4)6(OH)2 · 20H2O |
Group 8 - Phosphates, Arsenates and Vanadates | |||
ⓘ | Woodhouseite | 8.BL.05 | CaAl3(PO4)(SO4)(OH)6 |
Group 9 - Silicates | |||
ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Montmorillonite | 9.EC.40 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
ⓘ | Sauconite | 9.EC.45 | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
ⓘ | Halloysite | 9.ED.10 | Al2(Si2O5)(OH)4 |
ⓘ | Phillipsite-K | 9.GC.10 | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
ⓘ | Chabazite-Ca | 9.GD.10 | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
ⓘ | Mordenite | 9.GD.35 | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
ⓘ | Cowlesite | 9.GG.05 | CaAl2Si3O10 · 6H2O |
Unclassified | |||
ⓘ | 'Brewsterite Subgroup' | - | |
ⓘ | 'Chabazite' | - | |
ⓘ | 'Phillipsite Subgroup' | - | |
ⓘ | 'Fayalite-Forsterite Series' | - | |
ⓘ | 'Hornblende Root Name Group' | - | ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
ⓘ | 'Smectite Group' | - | A0.3D2-3[T4O10]Z2 · nH2O |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Alunite | KAl3(SO4)2(OH)6 |
H | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
H | ⓘ Apjohnite | Mn2+Al2(SO4)4 · 22H2O |
H | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
H | ⓘ Cowlesite | CaAl2Si3O10 · 6H2O |
H | ⓘ Epsomite | MgSO4 · 7H2O |
H | ⓘ Goethite | α-Fe3+O(OH) |
H | ⓘ Gypsum | CaSO4 · 2H2O |
H | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
H | ⓘ Halotrichite | FeAl2(SO4)4 · 22H2O |
H | ⓘ Huangite | Ca0.5Al3(SO4)2(OH)6 |
H | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
H | ⓘ Khademite | Al(SO4)F · 5H2O |
H | ⓘ Magnesiocopiapite | MgFe43+(SO4)6(OH)2 · 20H2O |
H | ⓘ Meta-alunogen | Al2(SO4)3 · 12H2O |
H | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
H | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
H | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
H | ⓘ Pickeringite | MgAl2(SO4)4 · 22H2O |
H | ⓘ Hydrokenoralstonite | Na0.5(Al,Mg)2(F,OH)6 · H2O |
H | ⓘ Römerite | Fe2+Fe23+(SO4)4 · 14H2O |
H | ⓘ Rostite | Al(SO4)(OH) · 5H2O |
H | ⓘ Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
H | ⓘ Voltaite | K2Fe52+Fe33+Al(SO4)12 · 18H2O |
H | ⓘ Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
H | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
H | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
H | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
H | ⓘ Smectite Group | A0.3D2-3[T4O10]Z2 · nH2O |
H | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
C | Carbon | |
C | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
C | ⓘ Tychite | Na6Mg2(CO3)4(SO4) |
O | Oxygen | |
O | ⓘ Alunite | KAl3(SO4)2(OH)6 |
O | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
O | ⓘ Anatase | TiO2 |
O | ⓘ Anhydrite | CaSO4 |
O | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
O | ⓘ Apjohnite | Mn2+Al2(SO4)4 · 22H2O |
O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
O | ⓘ Cowlesite | CaAl2Si3O10 · 6H2O |
O | ⓘ Cristobalite | SiO2 |
O | ⓘ Enstatite | Mg2Si2O6 |
O | ⓘ Epsomite | MgSO4 · 7H2O |
O | ⓘ Goethite | α-Fe3+O(OH) |
O | ⓘ Gypsum | CaSO4 · 2H2O |
O | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
O | ⓘ Halotrichite | FeAl2(SO4)4 · 22H2O |
O | ⓘ Hematite | Fe2O3 |
O | ⓘ Huangite | Ca0.5Al3(SO4)2(OH)6 |
O | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
O | ⓘ Khademite | Al(SO4)F · 5H2O |
O | ⓘ Kogarkoite | Na3(SO4)F |
O | ⓘ Magnesiocopiapite | MgFe43+(SO4)6(OH)2 · 20H2O |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Meta-alunogen | Al2(SO4)3 · 12H2O |
O | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
O | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
O | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
O | ⓘ Pickeringite | MgAl2(SO4)4 · 22H2O |
O | ⓘ Quartz | SiO2 |
O | ⓘ Hydrokenoralstonite | Na0.5(Al,Mg)2(F,OH)6 · H2O |
O | ⓘ Römerite | Fe2+Fe23+(SO4)4 · 14H2O |
O | ⓘ Rostite | Al(SO4)(OH) · 5H2O |
O | ⓘ Rutile | TiO2 |
O | ⓘ Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
O | ⓘ Sofiite | Zn2(SeO3)Cl2 |
O | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
O | ⓘ Tridymite | SiO2 |
O | ⓘ Tychite | Na6Mg2(CO3)4(SO4) |
O | ⓘ Ulvöspinel | TiFe22+O4 |
O | ⓘ Voltaite | K2Fe52+Fe33+Al(SO4)12 · 18H2O |
O | ⓘ Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
O | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
O | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
O | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
O | ⓘ Pyroxene Group | ADSi2O6 |
O | ⓘ Smectite Group | A0.3D2-3[T4O10]Z2 · nH2O |
O | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
F | Fluorine | |
F | ⓘ Carobbiite | KF |
F | ⓘ Khademite | Al(SO4)F · 5H2O |
F | ⓘ Kogarkoite | Na3(SO4)F |
F | ⓘ Hydrokenoralstonite | Na0.5(Al,Mg)2(F,OH)6 · H2O |
F | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Na | Sodium | |
Na | ⓘ Halite | NaCl |
Na | ⓘ Kogarkoite | Na3(SO4)F |
Na | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
Na | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
Na | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Na | ⓘ Hydrokenoralstonite | Na0.5(Al,Mg)2(F,OH)6 · H2O |
Na | ⓘ Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
Na | ⓘ Tychite | Na6Mg2(CO3)4(SO4) |
Na | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
Na | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Mg | Magnesium | |
Mg | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘ Enstatite | Mg2Si2O6 |
Mg | ⓘ Epsomite | MgSO4 · 7H2O |
Mg | ⓘ Magnesiocopiapite | MgFe43+(SO4)6(OH)2 · 20H2O |
Mg | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Mg | ⓘ Pickeringite | MgAl2(SO4)4 · 22H2O |
Mg | ⓘ Hydrokenoralstonite | Na0.5(Al,Mg)2(F,OH)6 · H2O |
Mg | ⓘ Tychite | Na6Mg2(CO3)4(SO4) |
Mg | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
Mg | ⓘ Magnesium | Mg |
Al | Aluminium | |
Al | ⓘ Alunite | KAl3(SO4)2(OH)6 |
Al | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
Al | ⓘ Apjohnite | Mn2+Al2(SO4)4 · 22H2O |
Al | ⓘ Cowlesite | CaAl2Si3O10 · 6H2O |
Al | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
Al | ⓘ Halotrichite | FeAl2(SO4)4 · 22H2O |
Al | ⓘ Huangite | Ca0.5Al3(SO4)2(OH)6 |
Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
Al | ⓘ Khademite | Al(SO4)F · 5H2O |
Al | ⓘ Meta-alunogen | Al2(SO4)3 · 12H2O |
Al | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
Al | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
Al | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Al | ⓘ Pickeringite | MgAl2(SO4)4 · 22H2O |
Al | ⓘ Hydrokenoralstonite | Na0.5(Al,Mg)2(F,OH)6 · H2O |
Al | ⓘ Rostite | Al(SO4)(OH) · 5H2O |
Al | ⓘ Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
Al | ⓘ Voltaite | K2Fe52+Fe33+Al(SO4)12 · 18H2O |
Al | ⓘ Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
Al | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
Al | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
Al | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Al | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
Si | Silicon | |
Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | ⓘ Cowlesite | CaAl2Si3O10 · 6H2O |
Si | ⓘ Cristobalite | SiO2 |
Si | ⓘ Enstatite | Mg2Si2O6 |
Si | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
Si | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
Si | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
Si | ⓘ Tridymite | SiO2 |
Si | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
Si | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
Si | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Si | ⓘ Pyroxene Group | ADSi2O6 |
P | Phosphorus | |
P | ⓘ Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
S | Sulfur | |
S | ⓘ Alunite | KAl3(SO4)2(OH)6 |
S | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
S | ⓘ Anhydrite | CaSO4 |
S | ⓘ Apjohnite | Mn2+Al2(SO4)4 · 22H2O |
S | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
S | ⓘ Epsomite | MgSO4 · 7H2O |
S | ⓘ Greigite | Fe2+Fe23+S4 |
S | ⓘ Gypsum | CaSO4 · 2H2O |
S | ⓘ Halotrichite | FeAl2(SO4)4 · 22H2O |
S | ⓘ Huangite | Ca0.5Al3(SO4)2(OH)6 |
S | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
S | ⓘ Khademite | Al(SO4)F · 5H2O |
S | ⓘ Kogarkoite | Na3(SO4)F |
S | ⓘ Magnesiocopiapite | MgFe43+(SO4)6(OH)2 · 20H2O |
S | ⓘ Meta-alunogen | Al2(SO4)3 · 12H2O |
S | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
S | ⓘ Pickeringite | MgAl2(SO4)4 · 22H2O |
S | ⓘ Pyrite | FeS2 |
S | ⓘ Römerite | Fe2+Fe23+(SO4)4 · 14H2O |
S | ⓘ Rostite | Al(SO4)(OH) · 5H2O |
S | ⓘ Sulphur | S8 |
S | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
S | ⓘ Tychite | Na6Mg2(CO3)4(SO4) |
S | ⓘ Voltaite | K2Fe52+Fe33+Al(SO4)12 · 18H2O |
S | ⓘ Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
S | ⓘ Wurtzite | (Zn,Fe)S |
S | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
Cl | Chlorine | |
Cl | ⓘ Halite | NaCl |
Cl | ⓘ Sofiite | Zn2(SeO3)Cl2 |
Cl | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
K | Potassium | |
K | ⓘ Alunite | KAl3(SO4)2(OH)6 |
K | ⓘ Carobbiite | KF |
K | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
K | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
K | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
K | ⓘ Voltaite | K2Fe52+Fe33+Al(SO4)12 · 18H2O |
K | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
K | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
K | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
Ca | Calcium | |
Ca | ⓘ Anhydrite | CaSO4 |
Ca | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ca | ⓘ Cowlesite | CaAl2Si3O10 · 6H2O |
Ca | ⓘ Gypsum | CaSO4 · 2H2O |
Ca | ⓘ Huangite | Ca0.5Al3(SO4)2(OH)6 |
Ca | ⓘ Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 |
Ca | ⓘ Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
Ca | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Ca | ⓘ Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
Ca | ⓘ Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O |
Ca | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
Ca | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Ti | Titanium | |
Ti | ⓘ Anatase | TiO2 |
Ti | ⓘ Rutile | TiO2 |
Ti | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
Ti | ⓘ Ulvöspinel | TiFe22+O4 |
Mn | Manganese | |
Mn | ⓘ Apjohnite | Mn2+Al2(SO4)4 · 22H2O |
Fe | Iron | |
Fe | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘ Copiapite | Fe2+Fe43+(SO4)6(OH)2 · 20H2O |
Fe | ⓘ Goethite | α-Fe3+O(OH) |
Fe | ⓘ Greigite | Fe2+Fe23+S4 |
Fe | ⓘ Halotrichite | FeAl2(SO4)4 · 22H2O |
Fe | ⓘ Hematite | Fe2O3 |
Fe | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
Fe | ⓘ Magnesiocopiapite | MgFe43+(SO4)6(OH)2 · 20H2O |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Römerite | Fe2+Fe23+(SO4)4 · 14H2O |
Fe | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
Fe | ⓘ Ulvöspinel | TiFe22+O4 |
Fe | ⓘ Voltaite | K2Fe52+Fe33+Al(SO4)12 · 18H2O |
Fe | ⓘ Wurtzite | (Zn,Fe)S |
Fe | ⓘ Pertlikite | K2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O |
Cu | Copper | |
Cu | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
Zn | Zinc | |
Zn | ⓘ Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
Zn | ⓘ Sofiite | Zn2(SeO3)Cl2 |
Zn | ⓘ Wurtzite | (Zn,Fe)S |
As | Arsenic | |
As | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
Se | Selenium | |
Se | ⓘ Sofiite | Zn2(SeO3)Cl2 |
Ba | Barium | |
Ba | ⓘ Phillipsite-K | (K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O |
Other Regions, Features and Areas containing this locality
Central AmericaRegion
Panama PlateTectonic Plate
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Poás Volcano, Sarchí Canton, Alajuela Province, Costa Rica