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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 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 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 - 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
  • 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
  • How to Identify Ankerite | Properties, Meaning Uses
    How to identify Ankerite: Learn its key properties (hardness 3 5 - 4, Brown color), uses, and meaning Complete identification guide with photos and detailed information
  • ANKERITE (Calcium Iron Magnesium Manganese Carbonate)
    Ankerite is a member of the Dolomite Group of minerals Like dolomite, (CaMg (CO 3) 2) the structure of ankerite consists of alternating layers of carbonate groups (CO 3) and layers of metal cations To add complexity, the cation layers alternate between calcium and iron
  • Ankerite - an overview | ScienceDirect Topics
    Dolomite, ankerite, siderite and quartz (chert) are the dominant gangue minerals, and important alteration minerals in most SEDEX deposits However, the extent and intensity of alteration are typically much less than in VMS deposits, reflecting the lower temperatures and higher pH of the fluids
  • Ankerite
    Ankerite is a calcium-iron-magnesium-manganese carbonate mineral with the chemical formula Ca (Fe²⁺, Mg, Mn²⁺) (CO₃)₂, belonging to the dolomite group of minerals





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