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Author: Cally Oldershaw Publisher: ISBN: 9780540083893 Category : Crystals Languages : en Pages : 224
Book Description
An important feature of the book is a comprehensive visual identification key. This makes it easy for the reader to recognize the type of a stone, and so move on to the correct section of the book for a detailed identification. The main part of the book examines each major group of gems from every part of the world, with each group divided into clearly structured units. The first section deals with precious gems in their many forms, with illustrations of priceless jewellery. The second and longer section concentrates on the semiprecious and novelty stones, the agates and the crystals used aby many professional and amateur jewellers and purchased by the majority of collectors and jewellery enthusiasts.
Author: Cally Oldershaw Publisher: ISBN: 9780540083893 Category : Crystals Languages : en Pages : 224
Book Description
An important feature of the book is a comprehensive visual identification key. This makes it easy for the reader to recognize the type of a stone, and so move on to the correct section of the book for a detailed identification. The main part of the book examines each major group of gems from every part of the world, with each group divided into clearly structured units. The first section deals with precious gems in their many forms, with illustrations of priceless jewellery. The second and longer section concentrates on the semiprecious and novelty stones, the agates and the crystals used aby many professional and amateur jewellers and purchased by the majority of collectors and jewellery enthusiasts.
Author: Andrew Warren Publisher: ISBN: 9780540089482 Category : Nature Languages : en Pages : 212
Book Description
Philip's Guide to Deserts is a highly illustrated introduction to the world's desert regions - their formation, their highly adapted animal and plant life, their precarious ecologies and natural resources, and their extraordinarily varied human populations.The authors discuss the amazing adaptations that both fauna and flora have evolved to survive. They also look at desert peoples, their customs and religions, and describe how many have flourished in some of the most inhospitable places on Earth. They provide an in-depth study of the world's desert resources, both the mineral riches and agricultural potential they offer, and how these are impacted by broad regional water strategies.The authors give useful information on which desert locations to visit and their significant cultural, historical and archaeological sites, as well as a thoughtful look at the future ecological and social issues that confront desert peoples.An Atlas section maps the world's deserts region by region, charting their area, resources, and threats both man-made and natural.Main map scale:
Author: John Pernetta Publisher: George Philip Limited ISBN: Category : Nature Languages : en Pages : 246
Book Description
Philip's Guide to the Oceans is an illustrated guide to the world's oceans and seas. It features more than 250 photographs, maps and diagrams and a comprehensive, authoritative text. The book will be of value to all those with an interest in the 'blue planet', from the marine biology student to yachting and diving enthusiasts.The book divides into six sections:'The Oceans' provides a complete picture of the genesis and evolution of the world's oceans.'Exploration' details celebrated oceanic quests, from the earliest voyages of discovery through to the science of modern oceanography and the new international sports of yachting and diving.'Life' is a comprehensive study of the oceans' incredible diversity of flora and fauna, and their many complex interrelationships.'Resources' is an in-depth study of the worldwide distribution of oil and gas, fish and mineral resources found in the oceans.The 'Atlas' section details the shapes of the ocean basins, their patterns of circulation and their unique characteristics.The 'Encyclopedia of Marine Life' catalogues and illustrates the main families of ocean organisms and provides a comprehensive ready-reference section to ocean flora and fauna.Main map scale:
Author: Doug Scott Publisher: ISBN: Category : Nature Languages : en Pages : 280
Book Description
With the rapid growth in cheap worldwide travel, trekking and mountaineering have become hugely popular activities, and in their wake has come a much greater awareness of mountains as ecosystems with their own highly specialized flora and fauna, and with their own needs in terms of habitat protection and conservation. Philip's Guide to Mountains brings together the many and various aspects of the study of mountains and mountain activity into a single volume. The book begins by looking at how mountains form, and then are gradually eroded away. The basic processes of mountain geology and physical geography are explained, with particular attention to the effects of snow and ice and the phenomena of avalanches and glaciers. A description of the weather phenomena of mountain regions leads into a detailed account of the extreme conditions, isolation and environmental sensitivity of many mountain regions. The author explains how plants and animals are adapted to survive in mountains and describes the lifeforms found at high altitudes. The destruction of habitats, particularly by deforestation, is described, together with the harm to biodiversity that this causes. turns to mountain peoples and societies, looking at the many and diverse groups that have developed in mountain regions and the economies that sustain them. The next two chapters cover mountain sports, with particular attention to climbing, and then describe the extraordinary history of mountaineering. Finally, the atlas section provides topographic maps of the world's major mountain regions, and describes each region in detail, giving tables of key geographical facts and figures such as highest peaks, area, population and principal rivers. Philip's Guide to Mountains will appeal to two principal groups. First, those those who study mountains and mountain wildlife, as part of a geography, geology, botany or zoology course, at A-level or for a degree. Second, birdwatchers and wildflower collectors. Thirdly, the large numbers of trekkers, high-altitude 'scramblers', rock-climbers, mountaineers and skiers who visit the mountains. For all of these readers the book provides accurate and fascinating information, much of which is hard to obtain elsewhere. Liverpool John Moores University, and Dr Stephen J Cribb, a consultant geologist. There is an introduction by the General Editor and distinguished mountaineer, Doug Scott, CBE, FRGS
Author: Cally Oldershaw Publisher: ISBN: 9780540090259 Category : Precious stones Languages : en Pages : 0
Book Description
The first section - 'The World of Gems' - contains information on gem formation, mining, crystal structure, and both the optical and physical properties of gemstones. Other useful topics include the diamond industry, fashioning and cutting, imitation and synthetic stones, and gem enhancement, as well as information on buying gemstsones and diamonds, the history of gems, famous diamonds, and how to care for gems. A colour key is included to help identification, organized by broad colour ranges (yellow to brown, red to pink, blue to violet, green, colourless, white, black and iridescent).The second section - 'Gems of the World' - provides an in-depth description of each gem. Organized by chemical composition and grouped in a logical classification scheme, each gem has its own full-page or double-page entry. As well as the raw crystal, other photos and artworks show the preferred cuts and beautiful examples of jewellery made from the gem.The explanatory text provides information about the conditions under which the gem is formed, where it is mined and its physical properties. It also details the history and folklore attached to each gem, its significance as a jewel, key features to look for, and where the finest examples are found. Each entry is accompanied by a ready-reference fact box featuring key information about the gem, including its refractive index, relative density and hardness rating.A series of maps identify the most important gem locations in the world.Philip's Gems of the World will appeal both to students of gemmology and to the thousands of buyers, dealers and collectors who need an accessible yet comprehensive guide to the world's gemstones.
Author: Geoffrey Kibby Publisher: ISBN: Category : Juvenile Nonfiction Languages : en Pages : 266
Book Description
The Philip's Guide to Mushrooms and Toadstools of Britain and Northern Europe is an easy-to-use rapid identification guide to more than 400 of the larger fungi of Britain and Northern Europe. The region covered extends from Britain and Ireland to western Russia, and from Scandinavia to the Alps and the beginning of the Mediterranean zone.The book is a practical field guide, containing accurate, full-colour illustrations of each of the featured species, with important distinguishing characteristics labelled. A cross-section of each specimen is also provided, together with a drawing of a spore. A detailed illustrated key allows the user to identify a specimen and points to the appropriate place in the book for further information.The text gives detailed yet accessible information for each species. Details include: habitat, season, frequency, cap size, shape and colour, gill colour and structure; stem shape and colour; spore colour and size. The author highlights the most distinctive features of each species, so that even a brief glance at the text can provide key information quickly in the field. Clear symbols indicate whether a species is edible or poisonous.The introduction to the book acquaints the reader with the world of mushrooms and toadstools from botanical, taxonomic and economic points of view, and contains sections on collection and identification, as well as on poisonous species and the use of mushrooms in cooking.The Philip's Guide to Mushrooms and Toadstools is suitable to the naturalist, the collector and the student alike.Main map scale:
Author: Bernard Stonehouse Publisher: Osprey Publishing ISBN: Category : Science Languages : en Pages : 516
Book Description
Reference book, international, containing brief general studies of countries throughout the world - covers geographical aspects, history, economy, major natural resources, climate, population projections to 1990, mining production, agricultural production, etc. Gazetteer, maps, references, statistical tables.
Author: Jeremy Thomas Publisher: Bloomsbury Publishing ISBN: 1472982363 Category : Nature Languages : en Pages : 759
Book Description
WINNER OF THE 2010 GUARDIAN NATURE BOOK OF THE YEAR WINNER OF THE 1991 NATURAL WORLD BOOK OF THE YEAR AWARD The Butterflies of Britain & Ireland provides comprehensive coverage of all our resident and migratory butterflies, including the latest information on newly discovered species such as Cryptic Wood White and the Geranium Bronze. When first published in 1991 it won the Natural World Book of the Year Award and won plaudits from all quarters. Fully revised, considerably expanded and reset in 2010, it was judged that year's Guardian Nature Book of the Year. Now revised again to reflect the latest research findings, and with up-to-date distribution maps, this remarkable book is THE guide to the appearance, behaviour, life cycle and ecology of the butterflies of Britain and Ireland.
Author: Cally Oldershaw
Author: Cally Oldershaw
Author: Andrew Warren
Author: John Pernetta
Author: Doug Scott
Author: Cally Oldershaw
Author: Geoffrey Kibby
Author: Cally Oldershaw
Author: Bernard Stonehouse
Author: Jeremy Thomas
Author: Timothy Whittaker