extraLapis (English)

extraLapis English No. 17 - Apatite - The Great Pretender

Apatite - The Great Pretender Apatit ist das am häufigsten vorkommende Phosphatmineral auf der Erde. Da es große farbige Kristalle bildet, zählen die Stufen nicht selten zu den schönsten und besonders begehrten Stücken in Mineraliensammlungen. Apatit tritt in vielen Formen und Farben auf. Die für den Sammler wichtigen Vorkommen werden ausführlich beschrieben und typische Stücke abgebildet. Dieses Werk beschreibt umfassend die Geschichte, die Fundorte und die Eigenschaft des Apatits „zu täuschen“ – eben: „The Great Pretender“. 128 Seiten, viele Farbfotos und Abbildungen. Broschiert. Format 30 x 21 cm. 2013. In englischer Sprache.

extraLapis English No. 16 - Amethyst

Amethyst - Uncommon Vintage In diesem neuen extraLapis in englischer Sprache wird der Amethyst umfassend dargestellt. Es wird sowohl ein Überblick über die Mineralogie gegeben, als auch wichtige Funde und Fundgebiete dargestellt. Neben Namibias berühmten Amethysten und den bekannten Kaktusquarzen aus Südafrika werden Amethyst aus Guerrero und Veracruz/Mexiko und auch Thunder Bay-Amethyst in Text und ausgezeichneten Bildern beschrieben. Auch deutsche Amethystfunde und Funde aus vielen weiteren Gebieten sind enthalten. Äußerst empfehlenswert! 128 Seiten, viele Farbfotos und Abbildungen. Broschiert. Format 30 x 21 cm. 2012. In englischer Sprache.

extraLapis English No. 15 - The San Juan Triangle of Colorado

The spectacular landscapes of the San Juan Mountains in southwestern Colorado are graphic evidence of the violent geology that concentrated a wealth of minerals in the triangle loosely defined by the picturesque mining towns of Telluride, Silverton and Ouray. An ancient hunting ground of indigenous peoples, these rugged high peaks concealed gold and silver discovered by westerners only in the last 150 years. These discoveries spurred mining booms and engineering feats as man worked to penetrate the ore- and crystal-laden cliffs and peaks. Modern visitors to the San Juans still collect minerals in the many prospects and trek the highways and byways that were first carved into the mountains by the pioneers. The mining history and stunning scenery of the San Juans is impossible to ignore, as are the Mountains of Minerals that make them so As is typical for the series, the production quality is excellent, the photography is beautiful, and the text is authoritative, readable and interesting. Softcover, 2011, perfect binding, 104 pages, size: 92.7 x 21 cm.

extraLapis English No. 13: Smithsonite - Think Zinc!

Smithsonite - Think Zinc! is the new entry in the ExtraLapis-English series of books from Lithographie, LLC. In this case it does not appear to be patterned after any previously published German-language edition, but rather is a new, original publication. Like the other books in the series, it is beautifully produced in large format on high-quality paper and with color photos of 161 mineral specimens (plus 16 polished examples and various maps and locality photos). And as usual, the text is interesting and readable, written by a well-chosen group of authors. Chapters cover the following topics: Mineralogical aspects (by Paul Pohwat)/James Smithson (by Smithsonian curator Paul Pohwat)/Generalized geology (by Peter Megaw)/Sardinian localities (by Fabrizio and Luca Ferrero)/Mexican localities (by Peter Megaw)/Arizona localities (by Tony Potucek and Tom Hughes)/Broken Hill, Australia (by Bill Birch)/Tsumeb and Berg Aukas, Namibia (by Bruce Cairncross)/Arkansas occurrences (by J. Michael Howard)/Laurium, Greece (by Wolfgang Wendel)/New Mexican localities (by Robert Eveleth and Virgil Leuth)/Color in smithsonite (by Virgil Leuth and Patricia Frisch)/Pseudomorphism (by David Ellis)/Lapidary aspects (by Michael Gray)/Cleaning techniques (by Jon Voelter)/- and a three-page References list. This is a book that any mineral collector will enjoy. Softcover, 104 pages, 2010.

extraLapis English No. 11: Garnet

Populations in both eastern and western cultures have been mining, trading, and carving garnets for millennia. Named for its likeness to the flesh and seeds of the pomegranate (Latin granatus), garnet is most commonly thought of as a red gemstone, but it actually occurs in all colors of the spectrum. In fact, garnet is a complex group of fifteen separate mineral species, which are sometimes hard to differentiate visually and more often than not occur together in the same specimen. Six of these species—almandine, andradite, grossular, pyrope, spessartine, and uvarovite—are regularly featured in mineral cabinets and jewelry. Garnets are also valued for much more than their aesthetics: they are important rock-forming minerals enhancing our understanding of geologic events; they are commercially valuable as abrasives; they are part of an “indicator” mineral suite used by geologists to locate diamond deposits; and they are great crystallographic examples with their textbook-perfect dodecahedral shapes. Yet even with this abundance, truly fine garnet specimens and large gemstones are surprisingly difficult to find

extraLAPIS English No. 8 Elba

An Island Steeped in History Federico Pezzotta Elba as a Type Locality Renato Pagano and Federico Pezzotta A Place for Collectors and Their Families Federico Pezzotta and Gloria Staebler ElbaŽs Snakes Christina Denison Geology, Structure, Evolution of Elba Federico Pezzotta Map: The Island of Elba Günther Neumeier The Monte Capanne Pegmatites Federico Pezzotta Minerals of the Monte Capanne Pegmatites Federico Pezzotta Elba Ore Deposits Federico Pezzotta Minerals of the Elba Ore Deposits Federico Pezzotta Beyond the Classic Localities Federico Pezzotta Sooty Sweat or Tourmaline Spots? Thw Argonauts and the Bianco Aplite Andrea Dini