	*Embrey, Peter G., Symes, Robert F. (1987) Minerals of Cornwall and Devon. British Museum (Natural History) and the Mineralogical Record, Inc., London and Tucson, AZ.*	Book
	There have been !)lines in Cornwall for some 3500 years where the intrusion of huge masses of granitic...significant minerals to come out of southwest England. The accompanying captions describe the crystallographic...t). ~ e • ~t~' l lr\ V: 1 'I Minerals of Cornwall and Devon Joseon1ne Community Llbral1es Grants...Embrey. P. G. Minerals of Cornwall and Devon. 1. Mines and mineral resources;--England --Devon 2. Mines and...and n1ineral resources --England--1Cornwall J. Title IL Symes. R. F. 549.9423'5 QE262.D45 ISBN 0-56 5-009
	*Tindle, Andy G. (2008) Minerals of Britain and Ireland. Terra Publishing.*	Book
	4. Cana,)' Islands Juan Carlos Carracedo & Simon Day 5. The north of Ireland Paul Lyle 6. Leinster Chris...PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055.............................. 529 G: gadolinite group to gyrolite ......................... 226 X: xanthiosite...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin... I made it a stipulation that e:ich en~ in rn:, ·st ,, ,u.d be fully referenced. After eight years the
	*O'Donoghue, Michael (1990) Rocks and Minerals. Dragon's World Ltd, Limpsfield.*	Book
	copyright holder is strictly forbidden. Published in England by Dragon’s World Ltd, Limpsfield and London All...Rubinstein Typeset by Bookworm Typesetting, Manchester, England Printed in Singapore Contents Introduction 7...rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual crystals...other books that a serious attempt to describe and group minerals could be seen to be in progress. His De...pairs. Water is often present and in the zeolite group it can escape when the minerals are mined since
	*O'Donoghue, Michael (1994) The Colour Dictionary of Gemstones & Minerals. The Black Cat, London.*	Book
	the Black Cat imprint Little, Brown and Company (UK) Limited Brettenham House Lancaster Place London...characteristic rosettes of wavellite from Barnstaple, England, showing a fibrous radiating structure. Opposite:...describing some of its chemical properties. Within each group the minerals are listed accord¬ ing to CIM; and...in limestone at Turnisk, USSR; as crystals in Cornwall; at Wallaroo, South Australia and Broken Hill...cobalt. Localities. Fine reniform masses occur at St Andreasberg in the Harz Mountains. Also from the
	*Korbel, Petr, Novák, Milan (2001) The Complete Encyclopedia of Minerals. Grange Books.*	Book
	Germany 7 i 1. Elements Copper. 42 mm. Cornwall, UK Copper Cu CUBIC • • • • • Properties: C...in) long are known from Freiberg, Schneeberg and St. Andreasberg, Germany. Wires several cm long were...dendritic aggregates occurred in the Hope's Nose, Devon. UK. A unique find of leaves up to 100 mm (4 in) was...crystals of completely different habit are known from St. Andreasberg, Germany. Crystals occurred also in...several cm across come from Redruth and St Just, Cornwall, UK. Crystals over 20 mm ("fo in) across occurred
	*Bernard, Jan, Hyršl, Jaroslav (2004) Minerals and their Localities* (1st ed.) Granit, Prague.**	Book (edition)
	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...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada,
	*(2007) The Minerals and Gemstones Collection [Issues 1-100]. Treasures of the Earth* (2nd ed.) De Agostini**	Journal (volume)
	information: contents Issue 1 MINERALS '• Pyrite PY UK and Ireland: 0870 890 2730 Australia: (03) 9872 4000...265 4304 • Or visit the De Agostini website at: UK: AUS: SA: NZ: Rose quartz RO Ruby RU www.deagostini...deagostini.co.nz Missed a copy? Ring Customer Services UK: 0870 870 2575 Australia: (03) 9872 4000 New Zealand:...Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...Precious and semi-precious stones © 2007 De Agostini UK Ltd, 1-2 samples supplied with this issue This
	*O'Donoghue, Michael - Ed.* (1976) The Encyclopedia of Minerals and Gemstones. Orbis Publishing Ltd.**	Book
	imagination—and that was this author’s experience. Our present-day love of minerals was doubt¬ less shared by early...of this here. Next we must consider a peculiar group of Magnesium (Mg) has two more electrons than elements...appropriate and, indeed, these are linked with an (Si04) group in the mineral forsterite. The chemical short¬ hand...valencies and a bracket around the dis¬ tinctive (Si04) group would result in forsterite symbolized thus: (Mg2)4...ion O2- is divalent, the (P04)3- group is trivalent; the (Si04)4~ group in merwinite is tetravalent because
	*O'Donoghue, Michael - Ed.* (1976) The Encyclopedia of Minerals and Gemstones. Orbis Publishing Ltd.**	Book
	must have noticed historian Diodorus Our present-day love of minerals was doubt- brightly coloured pebbles...of this here. Next we must consider a peculiar group of elements known as the imert gases. The first...appropriate and, indeed, these are linked with an (SiO4) group in the mineral forsterite. The chemical shorthand...about valencies tinctive (SiO4) and a bracket group would around the dis- result in forsterite ... listed in an appendix to the Mineral Kingdom). ST ,UCTURES Solids, liquids and gases Youcertainly
	*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

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Chlorite Group from Wheal Jewel, St Day, Gwennap, Cornwall, England, UK

Chlorite Group from
Wheal Jewel, St Day, Gwennap, Cornwall, England, UK