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Pb Cl2 (chloride of lead)
Natural crystals more frequent than all prismatic. Colors white or light pale grey. In structural attitude toward Cottunite laurionite is near, whose clear white or colourless crystals found out mainly in emptinesses ancient plumbiferous dumps, exposed to the action of salt water on a coast at Lavriona in Greece. In these dumps laurionite be found with such characteristic minerals, as paralaurionite, fiedlerite and penphildite.
Diagnostic indication.
Cottunite will dissolve in hot water from which brilliant crystals fall out in-cold. Yellow falls out at affecting solution of dichromate of potassium, gold sediment. Noticeable radio-activity which is revealed in standards from Vesuvius especially interesting.
Origin provenance genesis.
Cottunite is present mainly as aggregates of crystals in modern fumarole near the crater of Vesuvius (EU). It appears jointly with the chlorides of copper and melaconite (tenorite). Rarer he be found as an oxidate galena, galenite outdoors in presence chlorides. Such cases are known in a few places in Chile or not far from a seashore (a peninsula Kornuoll).
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Adamite * Annabergite * * Antimonite * Arsenolite ** Arsenopyrite ** Orpiment, ** Baildonite * Beryl ** Blomstrandite, Betafite ** Billietit ** Bismutite * Breithauptite * Witherite * Gadolinite ** Halite, Mine * * Geocronite * Glaukodote * Descloisite * * Jordanite * Carnotite ** Cinnabar, ** Cobaltite * Cottunite * Liroconite * Marcasite * Monacite * Ammoniac * Nikeline * Otenite ** Pyromorfite * Chalcolamprite, Pyrochlorine * Prustite * Rammelsbergite * Realgar ** Mercury, Quicksilver * Senarmontite * Sulphur, Sulfur, * Skutterudite * Strontianite * * Antimony, * Tetrahedrite * Thorianite ** Thorite ** Uraninite ** Pharmacolite * Halkozine, * Hatchinsonite * Celestine * * Zircon ** Evksenite ** Enargite * Eshinite ** Conichalcite *
Stone, minerals and semiprecious of the world stone group screening
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Native elements: Diamond Graphite, Iron Gold Copper Platinum Mercury, * Sulphur, Sulfur, * Silver Antimony, * Sulphide: Antimonite * Arsenopyrite ** Orpiment, ** Bismutite * Breithauptite * Galena, Glaukodote * Jordanite * Cinnabar, ** Cobaltite * Marcasite * Molybdenite Nikeline * Pyrite Pyrrotine Prustite * Rammelsbergite * Realgar ** Skutterudite * Sphalerite Tetrahedrite * Halkozine, * Chalcopyrite Hatchinsonite * Enargite * Pyroxene (silicates): Diopside Jadeite Spodumene Halogenoide, halogenide, Halite, Mine * * Cottunite * Ammoniac * Fluorite Spinel Magnetite Minium, Spinel Oxide and Arsenolite ** Blomstrandite, ** Billietit ** Hematite Goethite Quartz Corundum Limonite Opal Polianite, Pyrohroite Rutile Senarmontite * Thorianite ** Uraninite ** Chalcedony Zincite Evksenite ** Eshinite ** Other: Astrophyllite Petrified Amber Carbonate: Azurite Aragonite Dolomite Calcite Malachite Siderite Strontianite * * Trona, throne Ulexite Sulphate: Barite Woulffenite Gypsum Crocoite Celestine * * Phosphate: Adamite * Annabergite * * Apatite Baildonite * Turquoise Vanadinite Vivianite Descloisite * * Carnotite ** Liroconite * Monacite * Otenite ** Pyromorfite * Pharmacolite * Silicate: Andalusite Gadolinite ** Datolite Disthene, Olivine Topaz Thorite ** Zircon ** Euclase Epidotes Beryl ** Cordierite, Tourmaline Eudialyte Epidote Garnets Grossuliare Arizona ruby, Uvarovite Mica, isinglass stone Biotite, Lepidolite Chlorites Clinochlore Serpentine Chrysocolla Feldspar (silicates): Microcline Orthoclase Spar (silicates): Lazurite, Sodalite Amphiboles Anthophyllite Prehnite Rhodonite Talcum, talc Types of minerals
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