Quick Links : The Mindat Manual The Rock H. Currier Digital Library Mindat Newsletter [Free Download]

Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Contact Us Advertise on Mindat

Donate to Mindat Corporate Sponsorship Sponsor a Page Sponsored Pages Mindat Advertisers Advertise on Mindat

Learning Center What is a mineral?The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time Explore Fossils

Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Localities Near Me Search Articles Search Glossary More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Mining Companies Statistics Users Mineral Museums Clubs & Organizations Mineral Shows & Events The Mindat Directory Device Settings The Mineral Quiz Time Machine

Photo Search Photo Galleries Search by Color Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Herrerías Volcano (Las Herrerías quarry), Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain i
Regional Level Types
Herrerías Volcano (Las Herrerías quarry) Volcano
Bolaños de Calatrava Municipality
Ciudad Real Province
Castile-La Mancha Autonomous Community
Spain Country

Regional Level Types
Herrerías Volcano (Las Herrerías quarry)	Volcano
Bolaños de Calatrava	Municipality
Ciudad Real	Province
Castile-La Mancha	Autonomous Community
Spain	Country

This page is currently not sponsored. Click here to sponsor this page.

Photos Maps Search

Standard

All Photos (7)Specimen Photos (6)Locality Photos (1)Photos by Color Gallery Photo Statistics Add Photo

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google

Partial view

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Opal

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Opal

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Partial view

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Opal

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Opal

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Partial view

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Opal

Herrerías Volcano, Bolaños de Calatrava, Ciudad Real, Castile-La Mancha, Spain

Latitude & Longitude (WGS84):

38° 53' 19'' North , 3° 38' 52'' West

Latitude & Longitude (decimal):

G#: eyvmhzrxm

Type:

Köppen climate type:

Csa : Hot-summer Mediterranean climate

Nearest Settlements:

Place	Population	Distance
Bolaños de Calatrava	12,490 (2012)	2.4km
Almagro	8,546 (2012)	5.5km
Moral de Calatrava	5,236 (2012)	8.9km
Valenzuela de Calatrava	788 (2012)	11.5km
Granátula de Calatrava	999 (2012)	13.1km

Mindat Locality ID:

253239

Long-form identifier:

mindat:1:2:253239:7

GUID (UUID V4):

Name(s) in local language(s):

Volcán Las Herrerías, Bolaños de Calatrava, Volcanes del Campo de Calatrava, Ciudad Real, Castilla-La Mancha, España

Las Herrerías volcano is located about 1 km SSE of the town of Bolaños de Calatrava. The lava here is melilitite-nephelinite. In these lava flows a quarry called Las Herrerías is located, which was exploited by the company Ubladesa Inc. since 1987, especially to obtain ballast for the construction of the high-speed railway between Madrid and Seville.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

16 valid minerals.

Detailed Mineral List:

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

Calvo, Miguel, Viñals, Joan, Sanz, Agustín, Martí, Joan (2013) Zeolites and associated minerals in the vacuoles of some of the Campo de Calatrava volcanoes - Ciudad Real, Spain. Mineral Up, 3 (4) 54-69

ⓘ Baryte

Formula: BaSO₄

References:

ⓘ Chabazite-Ca

Formula: (Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O

References:

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

ⓘ Ettringite

Formula: Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O

References:

Calvo, M., Calvo Sevillano, G., Viñals, J. y Sanz, A. (2010). Presencia

Calvo, M., Sevillano, G. Calvo, Viñals, J., Sanz, A. (2010) Presencia de Ettringita y Thaumasita en Vacuolas de los Basaltos del Campo de Calatrava (Ciudad Real) [Presence of Ettringite and Thaumasite in Vacuoles of Basalts from Campo de Calatrava (Ciudad Real)]. Macla. Revista de la sociedad española de mineralogía 13, 53-54

ⓘ Forsterite

Formula: Mg₂SiO₄

References:

ⓘ Hydroxylapatite

Formula: Ca₅(PO₄)₃(OH)

References:

ⓘ Lévyne-Ca

Formula: (Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O

References:

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

ⓘ 'Melilite Group'

Formula: Ca₂M(XSiO₇)

References:

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

References:

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

References:

ⓘ Opal

Formula: SiO₂ · nH₂O

References:

ⓘ Perovskite

Formula: CaTiO₃

References:

ⓘ Phillipsite-Ca

Formula: Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O

References:

ⓘ Thaumasite

Formula: Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O

References:

Calvo, M., Calvo Sevillano, G., Viñals, J. y Sanz, A. (2010). Presencia

ⓘ Thomsonite-Ca

Formula: NaCa₂[Al₅Si₅O₂₀] · 6H₂O

References:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Perovskite	4.CC.30	CaTiO₃
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Ettringite	7.DG.15	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
ⓘ	Thaumasite	7.DG.15	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Hydroxylapatite	8.BN.05	Ca₅(PO₄)₃(OH)
Group 9 - Silicates
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Thomsonite-Ca	9.GA.10	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
ⓘ	Phillipsite-Ca	9.GC.10	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
ⓘ	Chabazite-Ca	9.GD.10	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
ⓘ	Lévyne-Ca	9.GD.15	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Unclassified
ⓘ	'Melilite Group'	-	Ca₂M(XSiO₇)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
H	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
H	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
H	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
H	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
H	ⓘ Phillipsite-Ca	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
C	Carbon
C	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
O	Oxygen
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Baryte	BaSO₄
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Perovskite	CaTiO₃
O	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
O	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
O	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
O	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
O	ⓘ Phillipsite-Ca	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
O	ⓘ Melilite Group	Ca₂M(XSiO₇)
Na	Sodium
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Na	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Na	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Na	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Forsterite	Mg₂SiO₄
Al	Aluminium
Al	ⓘ Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Al	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Al	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Al	ⓘ Phillipsite-Ca	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
Si	Silicon
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
Si	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Si	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Si	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Si	ⓘ Phillipsite-Ca	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
Si	ⓘ Melilite Group	Ca₂M(XSiO₇)
P	Phosphorus
P	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
S	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
K	Potassium
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
K	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Ca	Calcium
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
Ca	ⓘ Hydroxylapatite	Ca₅(PO₄)₃(OH)
Ca	ⓘ Perovskite	CaTiO₃
Ca	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
Ca	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Ca	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Ca	ⓘ Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O
Ca	ⓘ Phillipsite-Ca	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
Ca	ⓘ Melilite Group	Ca₂M(XSiO₇)
Ti	Titanium
Ti	ⓘ Perovskite	CaTiO₃
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

Iberian MassifOrogenic Belt

EuropeContinent

Iberian PeninsulaPeninsula

Spain

Castile-La Mancha
- Ciudad Real
  - Campo de Calatrava volcanic fieldVolcanic Field

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.

References

Calvo Rebollar, Miguel and Rewitzer, Christian (2022). Atlas de minerales de España. Atlas of Spanish minerals. Prames, Zaragoza. 384 págs.

Quick NavTop Mineral List Other Regions References

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: September 7, 2026 06:44:36 Page updated: August 20, 2025 02:55:59

Go to top of page

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

Other Regions, Features and Areas containing this locality

References