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, London.

Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.

Rudler, F. W. (1905) A Handbook to a Collection of the Minerals of the British Isles - Mostly selected from the Ludlam Collection, in the Museum of Practical Geology. 253pp.

Reference Search (possible matching items)

	*Slater, D. (1973) Tungsten. Mineral Dossier* 5. Mineral Resources Consultative Committee**	Report (issue)
	which tungsten has been produced in south-west England. Fig 2 Tungsten concentrates: monthly average...production is confined to the South Crofty property in Cornwall where small quantities of tungsten concentrate...to be restricted to those areas in south-west England and Cumberland where tungsten mineralisation is...I-Iemerdon Mine in Devon, the South Crofty property in Cornwall and Carrock Mine in Cumberland. The most important...gm/cc) only by rhenium and metals of the platinum group. In order of abundance it is the twenty-sixth element
	*Bernard, Jan, Hyršl, Jaroslav (2004) Minerals and their Localities* (1st ed.) Granit, Prague.**	Book (edition)
	mm, Capillitas, Argentina, H Back cO\·erphoto: Wolframite. 45 mm. Yaogangxian, China, H Page 1: MuscO\ite...to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...hionite), olivine (forsterite-fayalite), and wolframite (ferberitehiibnerite). The members of the plagioclase
	*Dana, Edward Salisbury, Ford, William E. (1922) A Textbook of Mineralogy* (3rd ed.) John Wiley & Sons, Inc, New York.**	Book (edition)
	given to the " normal group" under the successive systems, that is, to the group which is most common... L. Penfield of H. A. Miers New of Oxford, England, for various valuable suggestions. EDWARD SALISBURY...is determined by the way in which the molecules group themselves together in a position of equilibrium...about each one of them (or at least about each unit group of them), and further the same in all parallel lines...figures. Fig. 158 shows a crystal of cuprite from Cornwall (Pratt) with the form 2(13' 10' 12). 5. TETARTOHEDRAL

Wolframite Group from St Michael's Mount, Cornwall, England, UK

Wolframite Group from
St Michael's Mount, Cornwall, England, UK