| | Journal (article/letter/editorial) | It occurred in both the Morefield and Rutherford mine pegmatites, of the Amelia district, Amelia County...Virginia. Well-formed crystals from the Morefield mine reportedly reached 5 cm in length although the Amelia...and topaz (Pough 1936; Switzer 1939). Attempts to mine and/or collect this difficult location are almost...of which are of gem quality, occur with topaz, zircon, amazonite, and smoky quartz. Other El Paso County...340 ROCKS & MINERALS Badger Flats and the Boomer mine, have produced small phenakite crystals. Elsewhere |
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Tangen Feldspar Mine, Kragerø, Telemark, Norway