Stone, minerals and semiprecious of the world stone Amphiboles (silicates): Anthophyllite
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7 (OH) 2 (Si 4O 11) 2
Crystal structure rhombic
Hardness on the Mohs scale 5-6
Specific unit weight mass 3,1-3,2
Cleavage shows up easily
Fracture, break tender
Colors white, brown, grey
Colors in powder triturate grey
Glance (glitter, glare) glassy
Hardly ever does not meet as distinct crystals; more frequent presented radiant and fibred aggregates, and also lamellar tabular dense the masses. Colors dirty-white, grey, brown-yellow, gold or brown.
Does not dissolve in acids, hardly melt fuse in flame of candle.
Origin provenance genesis.
In nature little widespread, be found in crystalline slates (gneiss, amphibolites, chloritic slates, peridotite serpentinite and other) and in some contact deposit-metamorphic rocks.
Deposit minefield mine field occurrence subsoil.
This mineral is known in Kongsberge (Norway) and some places in Finland, Greenland and USA. In Italy anthophyllite a-plenty be found among the metamorphized including of granites of San-fedelino (Novate-meccola, province of Sondrio). Marked also in mica slates in Val'-passiriya and, in interleave, interstratify with a serpentine, in Monte-karane (an island Elba).
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Adamite * Annabergite Eritrine * * Antimonite * Arsenolite ** Arsenopyrite ** Orpiment, Golden Earth ** Baildonite * Beryl ** Blomstrandite, Betafite ** Billietit ** Bismutite * Breithauptite * Witherite * Gadolinite ** Halite, Mine Rock Salt * * Geocronite * Glaukodote * Descloisite Mottramite * * Jordanite * Carnotite ** Cinnabar, Spanish Red, Vermilion ** Cobaltite * Cottunite * Liroconite * Marcasite * Monacite * Ammoniac * Nikeline * Otenite ** Pyromorfite * Chalcolamprite, Pyrochlorine * Prustite * Rammelsbergite * Realgar ** Mercury, Quicksilver * Senarmontite * Sulphur, Sulfur, Brimstone * Skutterudite * Strontianite * * Antimony, Stibium * Tetrahedrite * Thorianite ** Thorite ** Uraninite ** Pharmacolite * Halkozine, Copper-glance * Hatchinsonite * Celestine * * Zircon ** Evksenite ** Enargite * Eshinite ** Conichalcite *
Stone, minerals and semiprecious of the world stone group screening
- toxic poisonous stone and minerals ** - radioactive stone and minerals **
Native elements: Diamond carbons Graphite, plumbago, black lead Iron Gold Copper Platinum Mercury, Quicksilver * Sulphur, Sulfur, Brimstone * Silver Antimony, Stibium * Sulphide: Antimonite * Arsenopyrite ** Orpiment, Golden Earth ** Bismutite * Breithauptite * Galena, galenite Glaukodote * Jordanite * Cinnabar, Spanish Red, Vermilion ** Cobaltite * Marcasite * Molybdenite Nikeline * Pyrite Pyrrotine Prustite * Rammelsbergite * Realgar ** Skutterudite * Sphalerite Tetrahedrite * Halkozine, Copper-glance * Chalcopyrite Hatchinsonite * Enargite * Pyroxene (silicates): Diopside Jadeite Spodumene Halogenoide, halogenide, halogen: Halite, Mine Rock Salt * * Cottunite * Ammoniac * Fluorite Spinel (oxides): Magnetite Minium, red lead, saturn red Spinel Oxide and hydrooxide: Arsenolite ** Blomstrandite, Betafite ** Billietit ** Hematite Goethite Quartz Corundum Limonite Opal Polianite, pirolusite Pyrohroite Rutile Senarmontite * Thorianite ** Uraninite ** Chalcedony Zincite Evksenite ** Eshinite ** Other: Astrophyllite Petrified fossilized wood Amber Carbonate: Azurite Aragonite Dolomite Calcite Malachite Siderite Strontianite * * Trona, throne Ulexite Sulphate: Barite Woulffenite Gypsum Crocoite Celestine * * Phosphate: Adamite * Annabergite * Eritrine * Apatite Baildonite * Turquoise Vanadinite Vivianite Kertschenite Descloisite Mottramite * * Carnotite ** Liroconite * Monacite * Otenite ** Pyromorfite * Pharmacolite * Silicate: Andalusite Gadolinite ** Datolite Disthene, kyanite, cyanite Olivine Topaz Thorite ** Zircon ** Euclase Epidotes (silicates): Beryl ** Aquamarine Emerald Heliodor Morganite (vorobyevite) Cordierite, iolite Tourmaline Eudialyte Epidote Garnets (silicates): Grossuliare Arizona ruby, Pyrope Garnet Uvarovite Garnet Mica, isinglass stone (silicates): Biotite, black mica Lepidolite Chlorites (silicates): Clinochlore Serpentine Chrysocolla Feldspar (silicates): Microcline Orthoclase Spar (silicates): Lazurite, Lapis lazuli Sodalite Amphiboles (silicates): Anthophyllite prehnite Rhodonite Talcum, talc (classification on Types of minerals chemical composition)
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