 | | Journal (article/letter/editorial) | | Department of Geology Auburn Universit Rutile=Included Quartz Downloaded by [McGill University Library] at 05:41...issue’s Connoisseur’s Choice. The specimen, rutilated quartz from Waterbury, Vermont (see fig.), is interesting...that is in considerable demand by collectors. Rutilated quartz is also a popular gem material, having been...cabochons, spheres, and other ornamental devices. Rutilated quartz is known by a number of names that include...(love’s arrow), and Venus’ hair stone. The host quartz may be colorless, smoky, or amethystine and occurs |  | | Book | | fibrous radiating structure. Opposite: gold on quartz from California. CONTENTS INTRODUCTION 7 THE...composition; general properties; mode of occurrence; localities in which it is found; mode of treatment; fashioning...copper deposits, often with cuprite and malachite. Localities. Very often a mineral is known from only a few...merges with the description of these localities. In general, the localities have been included in which outstanding...mineral; more often, they are a selection from localities too numerous to list. All place names have been |  | | Book | | essential data-propertiesthatwill aid recognition, localities where most commonlyfound, and characteristics...cristobalite (found only in volcanic lavas), tridymite, quartz, coesite and stishovite (found only in the impact... CLASSIFICATION Right: Magnesite crystals growing on quartz, a framework silicate a great variety of physical...further cations and forms the common oxide mineral quartz, Si02, and its rarer polymorphs. In other framework...then worked out Top: X-ray diffraction pattern of quartz cell. However, such methods remain too slow to |
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Rutilated quartz localities, Remédios district, Novo Horizonte, Bahia, Brazil