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ankerite    
铁白云石; 富铁白云石

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  • Ankerite - Wikipedia
    Ankerite, also known as brown spar [5]: 258 (German: braunspat) is a calcium, iron, magnesium, manganese carbonate mineral of the group of rhombohedral carbonates with the chemical formula Ca (Fe,Mg,Mn) (CO3)2
  • Ankerite: Mineral information, data and localities.
    The redefinition of the name means the majority of old specimens labelled "ankerite" are now considered to be ferroan dolomite, and true ankerite is quite rare
  • Ankerite Mineral Data
    Named after the Styrian (Austrian) mineralogist, Mathias Joseph Anker (1771-1843) Comments: White, rhombohedral crystals of ankerite and dark gray, metallic sphalerite on beige dickite Location: Prego mine, Kladno, Czech Rebublic Scale: Picture size 2 cm
  • Ankerite – Mineral Properties, Photos and Occurrence
    Ankerite is interesting and surprisingly uncommon carbonate, mostly limited to metasomatic rocks and hydrothermal veins It can form outstanding crystals and clusters Ankerite is a calcium-iron carbonate with ideal chemical formula CaFe (CO 3) 2
  • Ankerite Ca(Fe2+, Mg, Mn2+)(CO3)2 - Handbook of Mineralogy
    Occurrence: Formed in low-grade metamorphosed ironstones and sedimentary banded iron formations; in carbonatites; authigenic, diagenetic, or the product of hydrothermal alteration of carbonate sediments and in hydrothermal sulfide veins Siderite, dolomite
  • Ankerite - Gems Minerals
    Ankerite is a carbonate mineral belonging to the dolomite group and is composed primarily of calcium, iron, and magnesium carbonates It is a common mineral in many geological environments and is especially significant in sedimentary, hydrothermal, and metamorphic settings
  • Ankerite - Rock of Science
    The redefinition of the name means the majority of old specimens labelled “ankerite” are now considered to be ferroan dolomite, and true ankerite is quite rare Note: Most (unanalysed) “ankerite” specimens are actually Fe-bearing (ferroan) dolomite (Mg>Fe), because of nomenclature changes
  • Ankerite - Rock Identifier
    Ankerite is a relatively common mineral usually occurring in translucent shades of browns, greys, yellows, and greens This mineral is very similar to dolomite but has iron (III) and manganese instead of magnesium
  • Ankerite | C2CaFeMgMnO6+4 | CID 130476774 - PubChem
    Ankerite is a mineral with formula of Ca (Fe 2+,Mg) (CO 3) 2 The IMA symbol is Ank
  • Ankerite - Korhogo Minerals
    Ankerite is a fascinating member of the carbonate mineral family whose chemical variability and textural diversity make it important both as a recorder of past geological processes and as an indicator mineral in many ore-forming environments





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