Доломит

Доломит
Общи
Формула
(повтаряща се единица)		CaMg(CO₃)₂
Класификация на Щрунц5.AB.10
Класификация на Дана14.2.1.1
Характеристики
Цвят на чертатабяло
Доломит в Общомедия

Доломитът е минерал с формула: CaMg(CO3)2.[1][2] Често безцветен, бял или в различни нюанси.[3] Показва преходи с други сложни карбонати – част от магнезия може да се замества от двувалентно желязо (анкерит) или от манган (кутнахорит). Реагира с киселини само когато е в прахово състояние.

  • Плътност 2,85 – 3 g/cm3.
  • Доломитът се използва в химическата промишленост – амониева селитра.

Доломитът е също така название за седиментна карбонатна скала, изградена от минералите доломит (присъствие над 50 %) и калцит. Бива седиментогенен (протодоломит), диагенетичен, хидротермален. В България характерен за средния триас.

  • Снимки на доломит
  • Доломит от Бразилия
    Доломит от Бразилия
  • Доломит и магнезит от Навара, Испания
    Доломит и магнезит от Навара, Испания
  • Доломит и кварц от Франция
    Доломит и кварц от Франция
  • Доломит и цинобър
    Доломит и цинобър

Източници

  1. ↑ Информация за Доломит (Dolomite) // webmineral. Посетен на 12 март 2024. (на английски)
  2. ↑ Информация за Доломит (Dolomite) // mindat.org. Посетен на 12 март 2024. (на английски)
  3. ↑ доломит // Речник на българския език (ibl.bas.bg). Институт за български език. Посетен на 2023-04-05.

Литература

Външни препратки

Тази статия, свързана с геология, все още е мъниче. Помогнете на Уикипедия, като я редактирате и разширите.

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