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Author: Richard Vincent Dietrich Publisher: Springer ISBN: Category : Juvenile Nonfiction Languages : en Pages : 336
Book Description
Tourmaline group minerals have graced the cabinets of mineral collectors and museums for untold generations. Their colors and color patterns, along with their diverse shapes and associations, have assured their role as exqui site showpieces. Their workability and durability have, in addition, made them favorites among connoisseurs of colored gemstones. Tourmalines, however, are much more than exquisite showpieces and beautiful gemstones. Their diverse crystal forms and unique structure, their variable chemical compositions, their intriguing physical properties, and their widespread occurrence in nearly all kinds of rocks have long attracted the attention of scientists from several disciplines. Furthermore, they have several potential uses in science and industry. From an historical standpoint: Tourmaline is possibly the "Lyngurium" -green at one end, light colored at the other-that Theophrastus (ca.315 B.C.) described in On Stones, the first known book about minerals. Tourma line is one of the minerals thought to have been used as a "sunstone" navigation compass by Vikings during the eighth, ninth, and tenth centuries.
Author: Robert Simmons Publisher: North Atlantic Books ISBN: 9781556436680 Category : Fiction Languages : en Pages : 500
Book Description
"A metaphysical encyclopedia of more than three hundred crystals, minerals, and gemstones, detailing their applications for self-healing and spiritual and emotional development, along with vivid color photographs of each stone"--Provided by publisher.
Author: Richard Vincent Dietrich Publisher: Springer ISBN: Category : Juvenile Nonfiction Languages : en Pages : 336
Book Description
Tourmaline group minerals have graced the cabinets of mineral collectors and museums for untold generations. Their colors and color patterns, along with their diverse shapes and associations, have assured their role as exqui site showpieces. Their workability and durability have, in addition, made them favorites among connoisseurs of colored gemstones. Tourmalines, however, are much more than exquisite showpieces and beautiful gemstones. Their diverse crystal forms and unique structure, their variable chemical compositions, their intriguing physical properties, and their widespread occurrence in nearly all kinds of rocks have long attracted the attention of scientists from several disciplines. Furthermore, they have several potential uses in science and industry. From an historical standpoint: Tourmaline is possibly the "Lyngurium" -green at one end, light colored at the other-that Theophrastus (ca.315 B.C.) described in On Stones, the first known book about minerals. Tourma line is one of the minerals thought to have been used as a "sunstone" navigation compass by Vikings during the eighth, ninth, and tenth centuries.
Author: Friedrich Benesch Publisher: Verlag Urachhaus ISBN: 9783825174057 Category : Fiction Languages : en Pages : 308
Book Description
The qualities of the mysterious tourmaline are unique in the mineral realm. Fourteen years went into creating this volume, including visits to scientific collections all over Europe. Phenomena gave way to outer experience, which led to inner experience and insight; the natural object gave way to natural being. A miracle of nature, the tourmaline is a precious stone, having perhaps the greatest range of figuration and coloring of any gem. The importance of this book is in its lavish illustrations and far-reaching cognitive treatment of the tourmaline. At its heart are approximately 400 color photographs by some of the best photographers. The concluding text takes a Goethean view, explaining how tourmalines came to be invested with such a panoply of meanings, which remained unacknowledged for centuries. This is a book your family will treasure for many generations.
Author: Jon Henderson Publisher: ISBN: 9780842372879 Category : Fiction Languages : en Pages : 480
Book Description
A man snaps a photograph and suddenly becomes an international fugitive. A woman, captured by terrorists, relies on her faith in God to sustain her. Their salvation depends on finding each other.
Author: Ryan Bowling Publisher: ISBN: 9780983632399 Category : Precious stones Languages : en Pages : 144
Book Description
Taking its name from the Latin rubellus, meaning "reddish," rubellite was rare in the ancient world. Its unique properties set it apart from other hard, red gemstones, generically known then as "ruby" or "carbuncle." That distinction was lost during the Dark Ages but revived in the Enlightenment, as science undertook its quest to understand the nature of things. For two and a half centuries, rubellite has had a part of that great unraveling.Today "rubellite" refers to the pink to red variety of tourmaline, a large group of borosilicates. Coveted most for its endless combinations of vivid colors, just a handful of species -elbaite, liddicoatite, rossmanite -form rubellite, which is found as large, gemmy, euhedral crystals in pegmatites across the globe.With articles covering history, culture, science, and localities, our expert authors explore the fascinating world of rubellite and its complicated mineral family. Extraordinary imageryilluminates their stories, enticing readers into the paradox of rubellite and its tourmaline brethren.
Author: William Alexander Deer Publisher: Geological Society of London ISBN: 9781897799895 Category : Science Languages : en Pages : 646
Book Description
This part deals mainly with the disilicates and ring silicates including the epidote, melilite, cordierite and tourmaline groups. In addition to the minerals dealt with in the first edition, some of the rarer but typical minerals in the calc-silicate rocks and the accessory minerals of nepheline-syenites and related rocks have been included. The orthosilicates, in particular the olivine, garnet and humite groups are covered in Volume 1A.
Author: Visual AIDS Publisher: ISBN: 9780967842585 Category : Languages : en Pages : 54
Book Description
ALTERNATE ENDINGS, RADICAL BEGINNINGS was the 28th annual iteration of Visual AIDS' longstanding Day With(out) Art project. Curated by Erin Christovale and Vivian Crockett for Visual AIDS, the video program prioritized Black narratives within the ongoing AIDS epidemic, commissioning seven new and innovative short videos from artists Mykki Blanco, Cheryl Dunye & Ellen Spiro, Reina Gossett, Thomas Allen Harris, Kia LaBeija, Tiona Nekkia McClodden and Brontez Purnell.The 54 page soft cover publication includes film stills and artist statements from contributing filmmakers Mykki Blanco, Kia LaBeija, Cheryl Dunye and Ellen Spiro, Reina Gossett, Thomas Allen Harris, Tiona Nekkia McClodden, and Brontez Purnell; a statement by curators Erin Christovale and Vivian Crockett; and an essay by the Tacoma Action Collective.
Author: Richard Vincent Dietrich
Author: Robert Simmons
Author: Richard Vincent Dietrich
Author: Friedrich Benesch
Author: Clarence Ervin Brown
Author: Jon Henderson
Author: Ryan Bowling
Author: Harish Johari
Author: Mary Fong-Walker
Author: William Alexander Deer
Author: Visual AIDS