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Andalusite from
Belstone Cleave, Belstone, West Devon, Devon, England, UK

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Andalusite, etc.

Belstone Cleave, Belstone, West Devon, Devon, England, UK

Andalusite, etc.

Belstone Cleave, Belstone, West Devon, Devon, England, UK

Andalusite, etc.

Belstone Cleave, Belstone, West Devon, Devon, England, UK

Classification

Species:

Andalusite

Formula:

Al₂(SiO₄)O

Formation:

Primary

Comments:

Cleaved fragments of the local metamorphosed mudstones and shales occasionally contain copious amounts of andalusite crystals grown in random orientation parallel with the rock cleavage.

Weathering of the fragments develops the visibility of the andalusite, and areas where the grystals have been broken may be seen in the edges of the fragments.

Cross sections of crytals show a distinct diamond-shape and larger crystals show some degree of cruciform colour zoning.

Crystals to about 12mm length, 1mm across.

identified visually and by inference from the geology and metamorphism of the sediments.

Habit:

Acicular, bladed. Occasionally in loose, radiating clusters.
Cross-sections of crystals show some signs of cruciform colour zoning.

Colour:

White, pale cream to buff.

Abundance at site:

Rare

Confirmation

Validity:

Confirmed

Confirmation Methods:

Visually Identified

Analysis Reference:

M0/0823

Associated Minerals Based on Photo Data:

Metamudstone

1 photo of Andalusite associated with Metamudstone at this locality.

Data

Mineral Data:

Click here to view Andalusite data

Locality Data:

Click here to view Belstone Cleave, Belstone, West Devon, Devon, England, UK

Data Identifiers

Mindat Occurrence Record ID:

1101152

Long-form Identifier:

1:3:1101152:5

GUID (UUID V4):

e2f9cc59-a967-4205-9936-691c836bf71c

Nearest other occurrences of Andalusite

2.7km (1.6 miles)

ⓘ Halstock Mine, Belstone, West Devon, Devon, England, UK

43.2km (26.8 miles)

ⓘ Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK

48.2km (30.0 miles)

ⓘ Great Roughtor Consols, St Clether, Cornwall, England, UK

59.3km (36.9 miles)

ⓘ Backways Cove, Trebarwith, Tintagel, Cornwall, England, UK

73.9km (45.9 miles)

ⓘ Coldvreath Mine (Killivreath Mine), Coldvreath, Roche, Cornwall, England, UK

97.9km (60.8 miles)

ⓘ Cligga Mine, Cligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK

98.1km (60.9 miles)

ⓘ Cligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK

References

Alysson Rowan collection

Reference Search (possible matching items)

	Edmons, E. A., Wright, J. E., Beer, K. E., Hawkes, J. R., Williams, M., Freshney, E. C., Fenning, P. J. (1968) Geology of the Country around Okehampton (Explanation of One-inch Geological Sheet 324, New Series) Memoirs of the Geological Survey. Institute of Geological Sciences	Report (issue)
	MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Country around OKEHAMPTON...Beche. His 'Report on the Geology of Cornwall, Devon, and West Somerset' (1839) was the first memoir of the...other early Geological Survey maps of south-west England, are undated, but it is believed that they were...(1956), 'The Metalliferous Mining Region of South-West England'. The district formed part of the area in which...geophysical methods. In 1962 the newly formed South-West England field unit, successively under Dr. F. B. A.
	*Lloyd, David (2022) Portals Picks and Pasties* - Fifty Years of Collecting Minerals. David Lloyd, Atherton.**	Book
	of Collecting Minerals Gold from Hope's Nose, Devon. 23 x 15 mm. Image© Jeff Scovil. David Lloyd First...permission of the author. Printed and bound in the UK by: BookPrintingUK Remus House, Coltsfoot Drive,...laddering down a shaft at Bedford United Mine, Devon. Introduction I was born in Bristol on the 24...Construction Ltd in Paignton, Devon, had a heart attack. I was asked to go to Devon and help run the small works...uncle was one of the main building contractors in Devon for S. N. W. Homes, a division of the English China

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Andalusite from Belstone Cleave, Belstone, West Devon, Devon, England, UK

Andalusite from
Belstone Cleave, Belstone, West Devon, Devon, England, UK