Atenas Canton, Alajuela Province, Costa Rica i
Regional Level Types
Atenas Canton Canton
Alajuela Province Province
Costa Rica Country

Habit: radiating fan like groups of thin bladed crystals up to 4mm in diameter; Radial groups of prisms with the forms {100}, {010}, {001} and {110}

Colour: colorless to gray

References:

Micro Probe Vol. 7 No. 7 Spring 1993

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ 'Thomsonite Subgroup'

Localities:

La Garita Bridge Quarry, Atenas District, Atenas Canton, Alajuela Province, Costa Rica
Estanquillos zeolite occurrence, Jesús District, Atenas Canton, Alajuela Province, Costa Rica

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 9 - Silicates
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Fluorapophyllite-(K)	9.EA.15	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
ⓘ	Gyrolite	9.EE.30	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	var. Bytownite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	var. Labradorite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	Mesolite	9.GA.05	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
ⓘ	Thomsonite-Ca	9.GA.10	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Mordenite	9.GD.35	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Unclassified
ⓘ	'Apophyllite Group'	-	AB₄[Si₈O₂₀]X · 8H₂O
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chabazite'	-
ⓘ	'Phillipsite Subgroup'	-	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Chabazite var. Phacolite'	-
ⓘ	'Thomsonite Subgroup'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
H	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
H	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
H	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
H	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
H	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Calcite	CaCO₃
O	ⓘ Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
O	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
O	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
O	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
O	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
O	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
Na	Sodium
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Na	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Na	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Na	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Na	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Fayalite-Forsterite Series
Al	Aluminium
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Al	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Al	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Al	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Al	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
Si	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Si	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Si	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Si	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
K	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
K	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Ca	Calcium
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Anorthite var. Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Fluorapophyllite-(K)	KCa₄(Si₈O₂₀)(F,OH) · 8H₂O
Ca	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Ca	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Ca	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Ca	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Fayalite-Forsterite Series
Ba	Barium
Ba	ⓘ Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O

Fossils

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Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Atenas_(canton)
Wikidata ID:	Q2406261
GeoNames ID:	3624841

Localities in this Region

Costa Rica

Alajuela Province
- Atenas Canton
  - ⭔Atenas District
    - La Garita Bridge Quarry
  - ⭔Jesús District
    - Estanquillos zeolite occurrence

Other Regions, Features and Areas that Intersect

North America

Central AmericaSubregion

North America Plate

Central American ArcVolcanic Arc

Panama PlateTectonic Plate

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