Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 9 - Silicates
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
Unclassified
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	Oxygen
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	Aluminium
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	Silicon
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Ca	Calcium
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O

Fossils

There are 2 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

2.59 Ma (Pleistocene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Eremotherium genus	Animalia : Chordata : Mammalia : Pilosa : Megatheriidae : *Eremotherium*	2.588 - 0.0117 Ma Pleistocene
Glyptotherium texanum species	Animalia : Chordata : Mammalia : Cingulata : Glyptodontidae : Glyptotherium : *Glyptotherium texanum*	2.588 - 0.0117 Ma Pleistocene
Mixotoxodon larensis species	Animalia : Chordata : Mammalia : Toxodontidae : Mixotoxodon : *Mixotoxodon larensis*	2.588 - 0.0117 Ma Pleistocene

Fossil Localities

Click to show 2 fossil localities

Costa Rica

Alajuela Province
- Pleistocene🐚 Bajo de los Barrantes
- Pleistocene🐚 Chachagua

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/San_Ram%C3%B3n_(canton)
Wikidata ID:	Q1932227
GeoNames ID:	6946040

Localities in this Region

Costa Rica

Alajuela Province
- San Ramón Canton
  - San Ramón de Alajuela

Other Regions, Features and Areas that Intersect

North America

Central AmericaSubregion

North America Plate

Central American ArcVolcanic Arc

Panama PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

Quick NavTop Mineral List Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 20, 2026 06:53:50 Page updated: August 19, 2025 01:49:33

Go to top of page

San Ramón Canton, Alajuela Province, Costa RicaiRegional Level TypesSan Ramón CantonDistrict Alajuela ProvinceProvince Costa RicaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

San Ramón Canton, Alajuela Province, Costa Rica i
Regional Level Types
San Ramón Canton District
Alajuela Province Province
Costa Rica Country