Langite from
Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

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Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite, etc.

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite, etc.

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite, etc.

Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Classification
Locality type:	Mine
Species:	Langite
Formula:	Cu₄(SO₄)(OH)₆ · 2H₂O
Comments:	Pseudohexagonal deep blue-green crystals to 0.5mm (XRD). Associated with malachite, schulenbergite, cuprite, copper, lautenthalite, brochantite, cerussite.
Habit:	Blocky
Colour:	Deep blue-green
Special Storage/ Display Requirements:	Specimens of langite, when removed from a wet mine dump environment, after several years show progressive replacement by brochantite under dry collection conditions in many cases.
Confirmation
Validity:	Confirmed
Confirmation Methods:	XRD
Confirmation Details:	Where Tested and Reference ID: NHM London
Associated Minerals:
Associates:	Brochantite Covellite Hemimorphite Namuwite Redgillite Schulenbergite Serpierite Susannite
Associated Minerals Based on Photo Data:
Cerussite	2
Hemimorphite	1
Linarite	1
Serpierite	1
Redgillite	1
Schulenbergite	1
Data
Mineral Data:	Click here to view Langite data
Locality Data:	Click here to view Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
Photo Gallery	View Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:	16611
Long-form Identifier:	1:3:16611:1
GUID (UUID V4):	0
Nearest other occurrences of Langite

4.6km (2.9 miles)	ⓘ Glogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK
4.7km (2.9 miles)	ⓘ Hendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
7.2km (4.5 miles)	ⓘ Nantyrarian Mine (Silver Stream Mine. Blaendyffryn Mine), Goginan, Melindwr, Ceredigion, Wales, UK
8.2km (5.1 miles)	ⓘ Cwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
8.3km (5.2 miles)	ⓘ Bwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
9.7km (6.0 miles)	ⓘ Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
9.9km (6.1 miles)	ⓘ Cwmdaren Mine (Cwm Darren Mine; Lefel Gopor Mine; Copper Level Mine; Twll y Mwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
10.1km (6.3 miles)	ⓘ Gwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
10.9km (6.8 miles)	ⓘ Lletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
11.2km (6.9 miles)	ⓘ Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
*Green, D.I., Rust, S.A., Mason, J.S. (1996) Classic British mineral localities: Frongoch mine, Dyfed. UK Journal of Mines and Minerals 17, Rockbottom Publications. 29-39* *Day, Harry (1999) BMS Database, British Micromount Society.* Rust, Steve A. (2019) Minerals of the Frongoch Mine. Published by the author, 180 pages. ISBN 978-1-9162641-0-6.

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Langite from Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK

Langite from
Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK