![]() ![]() Mariposite? agate or jasper variety? Calif., trade name? adv., American Gems and Minerals, Inc., Rocks and Minerals, v. A synonym for Rainforest Jasper and/or "Sepularite Rhyolite" according to advertizement by Goodnow Gems U.S.A., Lapidary Journal, v. green with green, blue, orange, and white spots. Marine Agate, Australia, no description, adv., Australian Exports, Rock & Gem, v. These have been found in undifferentiated lavas of Eocene and Oligocene ages. Usually dense, black, metallic yellow, or less frequently white plume agates with highly translucent to transparent groundmass. Marfa, Texas, plume agate, for Marfa, 30o 18' 28" N and 104o 01' 07" W, Presidio County, Texas, Marfa Map, USGS 7.5' x 7.5'. Marfa Plume Agate, Texas, Marfa, Texas, area. This description is similar to that of Graveyard Point Plume Agate that has billowy white, cloud-like inclusions with a iron sulfide (marcasite?) nucleus, rkp. creamy white nodular chalcedony with marcasite dendrites (Broughton, 1974, p.1102-1106). This term is used in adv., Condo's Rock Shop, Lapidary Journal, v. The term may refer to any agate that contains marcasite inclusions. Marcasite Agate, from Nipomo, California, (which see). Marcasite Agate, (=Nipomo, = bean field agate), California, adv., Shale's, Lapidary Journal, v. crimson red, dendritic, adv., Weidinger Inc., Lapidary Journal, v. The name Man's Creek not recognized by Geographic Names Information Service. Man's Creek Petrified Wood, Idaho? no description, adv., Westbrook Gems, Lapidary Journal, v. The material from this site may also have been called Man=s Creek and the name has appeared in advertizements. 40, 106) stated woods came from both Mann Creek and Sage Creek, about 6 miles to the east. Geological Survey, 7.5 Minute Series, Topographic. 5 W., Mann Creek NW, Washington County, Idaho, Quadrangle, 1987, U. Mann Creek jasperized wood, Idaho, for Mann Creek, from approximately secs. Maluti Agate, Africa, Drakensberg Mountains, Lesotho, Orange Free State, Republic of South Africa, fine bands, chatoyant, see Windisch (1979, p.20). red and blue, adv., Hazel Dodge Agate Shop and Rocks, Lapidary Journal, v. Nowotny & Co., Lapidary Journal, v.33, no. Adv., Aleta's Rock Shop, Rock Malawi & Gem, v. Malawi Agate, Malawi, Africa, I have observed specimens that are red, orange, and white, rkp. Maine Red Jasper, Maine, àsome mixed with white Quartz, adv., Owland Pussycat, Lapidary Journal, v. Maiden Hair Agate (=Sagenitic Agate), term used by Browning (1961, p. 50.interwoven patterns, adv., Gem Center, U.S.A., Lapidary Journal, v. Maguey Agate, Mexico? no description, adv., Rocky Joe's, Rock & Gem, v. Madras Nodules, Madras, Oregon, area, adv., V.D. Madison County, North Carolina, collecting locality listed by Zeitner (1968, p. Madeira Agate, Mexico, no locality, no description, adv., Lapidary International, Inc., Lapidary Journal, v. Madagascar Jasper, Madagascar? dark green, adv., Gems Galore, Lapidary Journal, v. 960-966) and they appear to be made up of stalk aggregates, tubes, or membranous cristobalite inclusions. Macaroni Agate, Bembezkwane, Rhodesia (Zimbabwe), Africa, these are illustrated by Zeitner (1968, p.
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