| | Book | rutile crystals partially included in transparent quartz crystals, 3 cm - Philip Hitge specimen, Bruce Cairncross...mainland Tanzania) and then progressing to Kenya - I am proud to say that the coloured gemstones of these...orange-brown 'cat's eye' feldspar; rutile-included clear quartz; purple amethyst; orange 'cat's eye' opal; yellow...the Neoproterozoic Metamorphic Mozambique Belt (see box on page 15). This geological entity hosts the...clinohumite,danburite, •••. epidote,garnet,kyanite,quartz,ruby, ·sapp , $pinel,topaz,tourmaline. I sedimentary | | | Book | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...a few such specimens have been found after 1960 (see the Amity-Edenville entry for Edenite and Spine!)...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely | | | Book | Heike Lehner (Heidelberg), Joachim Lorenz (Karlstein am Main), Karl Mannheim (Würzburg), Vesna Marchig (Hannover).... . . . . . . . . . . . . . . . . . References (see also Chapters 26 and 28) . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . References (see also Chapters 26 and 27) . . . . . . . . . . . ....everyday life, from sugar to aspirin, from vibrating quartz in watches to microchips in computers, from laser...different directions (. Fig. 1.3). . Fig. 1.1 Group of quartz crystals, Arkansas, USA, approximately original |
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