 | | Book | | In the shafts and tunnels of a sixteenth-century mine INTRODUCTION arabic^groffcvinditaris.f} norrafludd9...(Si04) group in the mineral forsterite. The chemical short¬ hand for forsterite is Mg2Si04. This is known...the dis¬ tinctive (Si04) group would result in forsterite symbolized thus: (Mg2)4 + (Si04)4_. It is an...rock consisting entirely of members of the olivine series phosphate because it contains the tetrahedrally...known as olivines. These are called forsterite, Mg2Si04, and fayalite, Fe2Si04. If we melt a mixture of |  | | Report (volume) | | Stanford University Stanford, California 94305 Series Editor Paul H. Ribbe Department of Geological...loss of momentum in M.S.A.'s production of this series and encouraged several authors of this book to...material contained in this now highly successful series. The First Edition of Orthosiliaates was the...but are now known not to be such. Paul H. Ribbe Series Editor Blacksburg, VA ACKNOWLEDGMENTS The editors... CHAPTER 2 , Page continued GARNET-HYDROGARNET SERIES X3Y2(Si04)3_ ( H ^ ) (0 £ p £ 3) Eydrogrossular | | | Book | | (SiO4) group in the mineral forsterite. The chemical shorthand for forsterite is Mg,SiO4. This is known...bracket group would around the dis- result in forsterite symbolized thus: (Mg2)**(SiO4)*~. It is an interesting...as olivines. These are called forsterite, Mg2SiO., and fayalite, Fe,SiO4. these minerals Above:...consisting entirely of membersiof the olivine series another pair of strikingly different polymorphs...the crystals that form are no longer of forsterite and fayalite but of a single olivine containing both |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...could be resolved, we are now prepared for a long series (welcome for the next edition) of letters pointing | | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...could be resolved, we are now prepared for a long series (welcome for the next edition) of letters pointing...such substances may form a continuous isomorphous series. isotropic In crystal optics the characteristic |  | | Book (edition) | | California, E. M. Gunnell, Ltd., Woodville West, South men Minerals, and Company, London, Filer’s...one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexagonal...substitution, as for example between fayalite, an iron silicate, and forsterite, a magnesium silicate. Both...species called an isomorphous series. The pure species, fayalite and forsterite, are called the end members |
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Kimberley Mine, Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa