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Ca H (AsO4 ) * 2 H2 O
Pharmacolite is presented the aggregates of needle-shaped crystals-fibres or little wandering the masses of bud-like or stalactite type. Colouring non-existent often, but can be white or light-gray. Glance (glitter, glare) glassy or silky. In oxidizing flame melt fuse with intumescing and grows into a white enamel. Easily dissolves in acids, but insoluble in water.
Chemical composition (chemistry, compound) is maintenance (in %): CAO - 23-26; As2O5 - 50 - 53; H2O- 20 - 23. Glance (glitter, glare) - glassy, on the planes of cleavage of mother-of-pear nacreous. Transparency - the Good crystals are transparent. Fracture, break - uneven. Flexible in thin plates. Cleavage - on {010} perfect absolute. Aggregates are the Thin silky fibres or needle-shaped bunches; also cluster-like and stalactitic-like. Rarely small crystals, flatten to on {010} or needle along [001].
Origin provenance genesis.
Be found together with other arsenate in the area of oxidization of deposits together with the minerals of arsenic, especially with a haidingerite.
Deposit minefield mine field occurrence subsoil.
About the presence of Pharmacolite there is information on the deposits of Vittikhen in Shvarcvalde, in Garce, Yakhimove in Bohemia (Czekh), in Saint-Mario-Man, in Elzase, in Nevada and (in an association with Eritrine) in California (USA).
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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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