| | Journal (article/letter/editorial) | - fine aggregate of geothite, limonite, and hydrohematite. Siderite, FeCO3 (48.3%Fe). Ferrous chlorites...streak, and the friable, earthy almost black hydrohematite ore producing a brown streak. There are two...breccia. The gravelstones consist of hematite, hydrohematite, and ferruginous chlorite gravel cemented by...In both types of ores the chief minerals are hydrohematite, hematite, siderite, ferrous chlorite (chamosite)...and occasionally chalcopyrite. The hematite-hydrohematite ores are the best quality and constitute 68% | | | Book | contributed during discussions, field trips, and mine visits. More specifically, the author is deeply indebted.... . . . . . . . . . . . . . . 391 Chapter 12 Tajikistan . . . . . . . . . . . . . . . . . . . . . . ...likewise be conflicting. Descriptions of the same district or deposit or specific features thereof by different...the overall geological situation and size of a district or deposit. It has to be admitted, however, that...indirectly or who have contributed work to the country, district or deposit described in that particular chapter | | | Journal (issue) | calcite; crystal aggregates 15 cm in size. Vеrklinii Mine, Dabugorsk, Pпmorskii Krai, Russia. Specimen: V...latter, as well as in celadonite, hematite, and hydrohematite. More often, however, heliotrope occupies the...stone is due to microinclusions of hematite, hydrohematite, goethite, and other minerals. Greyishbrown...production in Norway commenced at deposits of this district in the end of the 1500x. Yserby, Sweden: * 1800...— Finbo near Falun; * fluocerile — Broddho. The mine was in operating since the middle of the 11th century | | | Book | Caucasus - crystals up to 1.5 cm (USSR), Getchell Mine - Nevada (USA) •Application: ore (extraction of...- aggregation of crysta ls from pil e of a coal mine; Kladn o (Czechoslovakia - width of field 15 mm)...Linares (Spain), Poniky (Czechoslovakia), Tintic district - Utah (USA). 1. Sideronatrite - long prismatic...found in the Mansfeld slates in Zwickau (GDR), Wolf Mine (near Herdorf, Reichenbach, FRG), Bisbee, Georgetown...2 Bi 2 S5 Cosalite 72 Named after the Cosala Mine (Mexico) (Genth 1877) • Hardness: 2.5-3 • Streak: | | | Book | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...Caucasus — crystals up to 1.5 cm (USSR), Getchell Mine — Nevada (USA) e Application: ore (extraction of...Sal-ammoniac — aggregation of crystals from pile of a coal mine; Kladno (Czechoslovakia — width of field 15 mm)...Linares (Spain), Poniky (Czechoslovakia), Tintic district — Utah (USA). 1. Sideronatrite — long prismatic...found in the Mansfeld slates in Zwickau (GDR), Wolf Mine (near Herdorf, Reichenbach, FRG), Bisbee, Georgetown |
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