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Author: Eberhard Machens Publisher: ISBN: 9783510652570 Category : Languages : en Pages : 308
Book Description
Platinum, gold and diamonds recounts the captivating story of the life of Hans Merensky, responsible for discovering the richest platinum deposit worldwide in South Africa. Born the son of a well known missionary at Botshabelo (Transvaal), Merensky was trained as a geologist in Germany and drawn back to South Africa by his creative ambition to explore the potential of his native country. On close scrutiny Hans Merensky (*March 16, 1871 to _October 21, 1952) was far more than the wizard geologist the press dubbed him during his heyday. Today it is obvious that Merensky was not only a scientist of note, but also an extremely farsighted and thoughtful economic strategist, agricultural trendsetter, humanitarian and philanthropist. Nothing could extinguish his enthusiasm for his adopted homeland _s undiscovered treasures and despite bankruptcy, internment, illness, political obstacles and later, old age, Hans Merensky saw only opportunity wherever he went. From the discovery of the Merensky-Reef (the richest platinum deposit world wide) and the richest deposits of alluvial gem diamonds ever found to the initial attempts at the commercial cultivation of avocados and the controlled planting of saligna (Eucalyptus) and pine trees_almost everything Hans Merensky touched turned to gold (platin, rather). The book however, does not stop at merely portraying Merensky's life and achievements. Text boxes throughout the text provide background information about ore geology and economic geology, mineral markets and supporting data to enable the reader to understand the implications of Merensky's achievements. About the author: As a budding geologist Eberhard W. Machens (*1929) worked in Africa for ten years, prospecting for various ores, particularly for gold. After returning to his native Germany he submitted a postdoctoral thesis on the ore deposits of the african basement complex, and took up a professorship for geology of non-European countries at the University of Mainz. Later he was a director at OECD in Paris, responsible for mining and prospecting issues in developing countries. Subsequently he was with the Federal Ministry of Economic Affairs in Bonn for 14 years, responsible for raw material issues in International economic relations, before rounding off his career with a professorship in raw materials economics at the University of Cottbus. Platinum, gold and diamonds was inspired by the authort_s intimate knowledge of the international interconnectedness between raw material markets, of prospecting methods and of the life of a prospector in the African bush.
Author: Eberhard Machens Publisher: ISBN: 9783510652570 Category : Languages : en Pages : 308
Book Description
Platinum, gold and diamonds recounts the captivating story of the life of Hans Merensky, responsible for discovering the richest platinum deposit worldwide in South Africa. Born the son of a well known missionary at Botshabelo (Transvaal), Merensky was trained as a geologist in Germany and drawn back to South Africa by his creative ambition to explore the potential of his native country. On close scrutiny Hans Merensky (*March 16, 1871 to _October 21, 1952) was far more than the wizard geologist the press dubbed him during his heyday. Today it is obvious that Merensky was not only a scientist of note, but also an extremely farsighted and thoughtful economic strategist, agricultural trendsetter, humanitarian and philanthropist. Nothing could extinguish his enthusiasm for his adopted homeland _s undiscovered treasures and despite bankruptcy, internment, illness, political obstacles and later, old age, Hans Merensky saw only opportunity wherever he went. From the discovery of the Merensky-Reef (the richest platinum deposit world wide) and the richest deposits of alluvial gem diamonds ever found to the initial attempts at the commercial cultivation of avocados and the controlled planting of saligna (Eucalyptus) and pine trees_almost everything Hans Merensky touched turned to gold (platin, rather). The book however, does not stop at merely portraying Merensky's life and achievements. Text boxes throughout the text provide background information about ore geology and economic geology, mineral markets and supporting data to enable the reader to understand the implications of Merensky's achievements. About the author: As a budding geologist Eberhard W. Machens (*1929) worked in Africa for ten years, prospecting for various ores, particularly for gold. After returning to his native Germany he submitted a postdoctoral thesis on the ore deposits of the african basement complex, and took up a professorship for geology of non-European countries at the University of Mainz. Later he was a director at OECD in Paris, responsible for mining and prospecting issues in developing countries. Subsequently he was with the Federal Ministry of Economic Affairs in Bonn for 14 years, responsible for raw material issues in International economic relations, before rounding off his career with a professorship in raw materials economics at the University of Cottbus. Platinum, gold and diamonds was inspired by the authort_s intimate knowledge of the international interconnectedness between raw material markets, of prospecting methods and of the life of a prospector in the African bush.
Author: Publisher: International Jewelry Publications ISBN: 9780929975290 Category : Gold jewelry Languages : en Pages : 0
Book Description
Have you ever had a chain break right after you bought it? Have any of your stones fallen out of their settings? Do you wonder if your 'gold' jewellery is really gold? This guide shows you how to spot poor craftsmanship and imitation gold or platinum and gives you a wealth of information on chains, mountings, multi-coloured gold, and platinum alloys. The book is paced with colour photographs and step-by-step guidelines on: evaluating craftsmanship; making practical choices; detecting fake metals; caring for your jewellery; determining karat value; finding a good buy.
Author: Renee Newman Publisher: ISBN: 9780929975306 Category : Antiques & Collectibles Languages : en Pages : 156
Book Description
The perfect pocket-sized companion for those travelling and thinking about purchasing jewellery or stones. Renee Newman, author of the highly respected gem and jewellery guides including 'Diamond Ring Buying Guide' and 'Gold and Platinum Jewelry Buying Guide', has written a concise buying guide covering gems, gold and platinum that's a perfect handy reference. Here is important information on how to select jewellers and appraisers; a chapter on notable gem sources and which countries are noted for specific gems; information on coral, ivory and amber; precautions one must take when buying from an unfamiliar source; and customs regulations, duties and how to use lab reports. This guide will become an indispensable resource that will be used time and time again.
Author: American Art Association Publisher: Forgotten Books ISBN: 9781528406222 Category : Languages : en Pages : 62
Book Description
Excerpt from Platinum and Gold Jewelry: Set With Diamonds, Sapphires, Emeralds, Jade, Coral, and Other Stones, Including Bracelets, Rings, Lorgnettes, Brooches, Gentlemen's Dress Sets and Other Pieces I I. In addition to the purchase price, the buyer will be required to pay the New York City sales tax, unless the buyer is exempt from the payment thereof. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Renee Newman Publisher: ISBN: 9780929975474 Category : Art metal-work Languages : en Pages : 0
Book Description
A full-colour guide for lay people and professionals about gold, platinum, palladium, silver, copper, bronze, brass, iron, titanium, niobium, aluminium, stainless steel, Damascus steel, tungsten carbide and cobalt chrome. This book explains how to test, buy, sell, and care for jewellery with precious and alternative metals. High-quality colour photographs show how these metals are creatively used in jewellery. Besides providing an historical perspective and interesting facts about the metals, this book discusses jewellery manufacturing methods, plating and responsible mining & business practices. You will learn: How to read the stamps on jewellery mountings; How to identify jewellery metals; How to determine the gold content in jewellery; How and where to sell your unwanted jewellery; How to spot a fair consignment contract; How to select refiners and prepare shipments to them; How to prevent and remove silver tarnish; How to clean metal jewellery.
Author: Anderson Ga American Art Association Publisher: Hassell Street Press ISBN: 9781014684493 Category : Languages : en Pages : 62
Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Antoinette Matlins, PG, FGA Publisher: Turner Publishing Company ISBN: 0943763835 Category : Antiques & Collectibles Languages : en Pages : 303
Book Description
Newly updated and expanded, Diamonds gives you all the information you need to buy, collect, sell—or simply enjoy—diamonds with confidence and knowledge. Whether you are buying a diamond for an engagement ring, anniversary, to commemorate a special moment or for personal pleasure, today it is more important than ever to understand what you are buying. There are new shapes and cuts, fancy colors, high-tech treatments and sophisticated frauds. There are new ways to buy—such as Internet auctions. Buyers need a source of expert guidance. Practical, comprehensive and easy to understand, this book offers in depth all the information you need to buy sparkling diamonds with confidence, including: What is a diamond? An in-depth look at factors affecting differences in quality and cost. Diamond grading reports—why all the information is important, and what it tells you. How to compare prices. How to spot differences in stones that may appear to be the same quality. How to protect yourself from misrepresentation. Questions to ask when buying any diamond. What to get in writing. How to get what you want within your budget. Important information about buying on the Internet ... and much more! Written by an “insider,” this easy-to-read guide is the “unofficial diamond bible” for anyone who wants to get the most for their money and enjoy what they have purchased.
Author: Eberhard Machens
Author: Eberhard Machens
Author: 
Author: R. M. Patterson
Author: Renee Newman
Author: O'Reilly's Plaza Art Galleries
Author: American Art Association
Author: Renee Newman
Author: Anderson Ga American Art Association
Author: Antoinette Matlins, PG, FGA
Author: