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• Hydromagnesite abstract "Hydromagnesite is a hydrated magnesium carbonate mineral with the formula Mg5(CO3)4(OH)2·4H2O. It generally occurs associated with the weathering products of magnesium containing minerals such as serpentine or brucite. It occurs as incrustations and vein or fracture fillings in ultramafic rocks and serpentinites. It occurs in hydrothermally altered dolomite and marble. It commonly appears in caves as speleothems and "moonmilk", deposited from water that has seeped through magnesium rich rocks. It is the most common cave carbonate after calcite and aragonite. It thermally decomposes, over a temperature range of approximately 220 °C to 550 °C, releasing water and carbon dioxide leaving a magnesium oxide residue.It was first described in 1836 for an occurrence in Hoboken, Hudson County, New Jersey.Stromatolites in an alkaline (pH greater than 9) freshwater lake (Salda Gölü) in southern Turkey are made of hydromagnesite precipitated by diatoms and cyanobacteria.Microbial deposition of hydromagnesite is also reported from playas in British Columbia. The hydromagnesite-magnesite playas near Atlin, British Columbia are some of the most studied deposits of hydromagnesite. These deposits have been characterized in the context of a biogeochemical model for CO2 sequestration.One of the largest deposits of hydromagnesite exists in Greece. It consists of a natural mixture with huntite. Local people have used the white mineral as a source of material for whitewashing buildings for centuries. In the mid 20th century the minerals, ground to a fine powder, found use as a filler for rubber shoe soles. The locals used the granite mills designed for grinding wheat. Commercial exploitation of the minerals began in the late 70s and early 80s with the mineral being exported worldwide. The Greek deposit is still operated commercially, although the world’s largest commercially operated reserves are in Turkey.".
• Hydromagnesite thumbnail Hydromagnesite_balloon.jpg?width=300.
• Hydromagnesite wikiPageID "2118058".
• Hydromagnesite wikiPageRevisionID "540529960".
• Hydromagnesite birefringence "δ = 0.022".
• Hydromagnesite caption "Hydromagnesite balloon in Jewel Cave".
• Hydromagnesite category "Carbonate mineral".
• Hydromagnesite cleavage "{010} Perfect, {100} Distinct".
• Hydromagnesite color "Colorless, white".
• Hydromagnesite dana "16".
• Hydromagnesite diaphaneity "Transparent to translucent".
• Hydromagnesite fluorescence "Fluorescent, short UV=green, long UV=bluish white.".
• Hydromagnesite formula "Mg542·4H2O".
• Hydromagnesite fracture "Uneven".
• Hydromagnesite gravity "2.16".
• Hydromagnesite habit "Acicular and as encrustations".
• Hydromagnesite hasPhotoCollection Hydromagnesite.
• Hydromagnesite luster "Vitreous, silky, pearly, earthy".
• Hydromagnesite mohs "3.5".
• Hydromagnesite molweight "467.64".
• Hydromagnesite name "Hydromagnesite".
• Hydromagnesite opticalprop "Biaxial".
• Hydromagnesite refractive "nα = 1.523 nβ = 1.527 nγ = 1.545".
• Hydromagnesite streak "White".
• Hydromagnesite strunz "5".
• Hydromagnesite system "Monoclinic - Prismatic".
• Hydromagnesite tenacity "Brittle".
• Hydromagnesite twinning "Polysynthetic lamellar on {100}".
• Hydromagnesite subject Category:Carbonate_minerals.
• Hydromagnesite subject Category:Cave_minerals.
• Hydromagnesite subject Category:Magnesium_minerals.
• Hydromagnesite subject Category:Monoclinic_minerals.
• Hydromagnesite type Abstraction100002137.
• Hydromagnesite type CarbonateMinerals.
• Hydromagnesite type CaveMinerals.
• Hydromagnesite type MagnesiumMinerals.
• Hydromagnesite type Material114580897.
• Hydromagnesite type Matter100020827.
• Hydromagnesite type Mineral114662574.
• Hydromagnesite type MonoclinicMinerals.
• Hydromagnesite type Part113809207.
• Hydromagnesite type PhysicalEntity100001930.
• Hydromagnesite type Relation100031921.
• Hydromagnesite type Substance100019613.
• Hydromagnesite type ChemicalSubstance.
• Hydromagnesite type Mineral.
• Hydromagnesite type ChemicalObject.
• Hydromagnesite type Thing.
• Hydromagnesite comment "Hydromagnesite is a hydrated magnesium carbonate mineral with the formula Mg5(CO3)4(OH)2·4H2O. It generally occurs associated with the weathering products of magnesium containing minerals such as serpentine or brucite. It occurs as incrustations and vein or fracture fillings in ultramafic rocks and serpentinites. It occurs in hydrothermally altered dolomite and marble. It commonly appears in caves as speleothems and "moonmilk", deposited from water that has seeped through magnesium rich rocks.".
• Hydromagnesite label "Hidromagnesita".
• Hydromagnesite label "Hydromagnesiet".
• Hydromagnesite label "Hydromagnesit".
• Hydromagnesite label "Hydromagnesite".
• Hydromagnesite label "Idromagnesite".
• Hydromagnesite sameAs Hydromagnesit.
• Hydromagnesite sameAs Hidromagnesita.
• Hydromagnesite sameAs Idromagnesite.
• Hydromagnesite sameAs Hydromagnesiet.
• Hydromagnesite sameAs m.06nc7h.
• Hydromagnesite sameAs Q420901.
• Hydromagnesite sameAs Q420901.
• Hydromagnesite sameAs Hydromagnesite.
• Hydromagnesite wasDerivedFrom Hydromagnesite?oldid=540529960.
• Hydromagnesite depiction Hydromagnesite_balloon.jpg.
• Hydromagnesite isPrimaryTopicOf Hydromagnesite.
• Hydromagnesite name "Hydromagnesite".