Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.448-449

ⓘ Chalcocite

Formula: Cu₂S

References:

Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.448-449

ⓘ 'Chlorite Group'

References:

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

ⓘ Galena

Formula: PbS

References:

Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.448-449

ⓘ Pyrite

Formula: FeS₂

References:

Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

ⓘ Quartz

Formula: SiO₂

References:

Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

ⓘ Schorl

Formula: NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

References:

Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

ⓘ Sphalerite

Formula: ZnS

References:

Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386

Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.448-449

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Cassiterite	4.DB.05	SnO₂
Group 9 - Silicates
ⓘ	Schorl	9.CK.05	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Unclassified
ⓘ	'Chlorite Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	Boron
B	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	Oxygen
O	ⓘ Cassiterite	SnO₂
O	ⓘ Quartz	SiO₂
O	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	Sodium
Na	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	Aluminium
Al	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	Silicon
Si	ⓘ Quartz	SiO₂
Si	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcocite	Cu₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Pb	Lead
Pb	ⓘ Galena	PbS

Geochronology

Geologic Time

Rocks, Minerals and Events

ⓘ Major polymetallic mineralization

~270 Ma

Cornwall, England, UK

Cisuralian

ⓘ Porphyry dikes intruded (latest age)	~275 Ma	Cornwall, England, UK
ⓘ Greisenization (latest age)	~280 Ma	Cornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)	~280 Ma	Cornwall, England, UK
ⓘ Formation of metallized pegmatites	~285 Ma	Cornwall, England, UK
ⓘ Greisenization (earliest age)	~285 Ma	Cornwall, England, UK
ⓘ Emplacement of major plutons	~295 Ma	Cornwall, England, UK

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands

Eurasian PlateTectonic Plate

Rheno-Hercynian BeltOrogenic Belt

EuropeContinent

England
- Cornwall
  - St Agnes Mining DistrictMining District
- Devon and Cornwall metalliferous mining districtMining District

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

Reid, Clement, Scrivenor, J. B. (1906) The Geology of the Country near Newquay - Memoirs of the Geological Survey. The Geological Survey.

Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.448-449

Quick NavTop Mineral List Geochronology 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: October 21, 2026 16:55:08 Page updated: August 13, 2025 09:48:24

Go to top of page