Definition of marcasite in English:

marcasite

noun ˈmɑːkəsʌɪtˈmɑːkəziːtˈmɑrkəˌsaɪt

1A semi-precious stone consisting of iron pyrites.
白铁矿石（一种次贵重宝石）
Example sentencesExamples
- Two small dumps are exposed, affording an opportunity to collect some of the attractive microcrystals of rhodochrosite and crystals of apatite, gypsum, barite, goethite, marcasite, calcite, and chalcocite that are found there.
- Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
- Laurie's hand automatically moves to cover the silver brooch, fingers tracing the elaborate curling leaves encrusted with marcasite.
- Access to the pit is prohibited, but excellent specimens of calcite scalenohedra, dolomite rhombohedra, pyrite, and marcasite have been collected from the pit's east wall.
- Stones and metals fall under the rulership of planets, not signs, but through its association with Venus, Libra has affinity with copper, sapphires, marcasite, lapis lazuli and chrysolite.
1. 1.1mass noun A bronze-yellow mineral consisting of iron disulphide but differing from pyrite in typically forming aggregates of tabular crystals.
  黄铁矿
  Example sentencesExamples
  We have also noted clumps of small marcasite crystals as a late-stage association with galena and drusy quartz from the Eagle mine.
  Sphalerite stalactites to 15 cm in diameter and coated with crystallized marcasite and galena are reported from the Marsden prospect near Galena, Illinois.
  Although the matrix is known to contain mainly pyrite, other sulfides are also present, such as marcasite and a presently unidentified silver-gray mineral coating the interiors of the flow tubes.
  The fine-grained sediment of the matrix consists chiefly of pyrite or marcasite, and their surfaces are often covered with outward-projecting crystals of pyrite or marcasite.
  The bodies of iron sulfide nodules in the Olentangy Shale are composed of fine-grained pyrite, and their surfaces are frequently covered with tabular crystals of marcasite.
2. 1.2 A piece of polished steel or a similar metal cut as a gem.
  磨钢装饰石

Origin

Late Middle English: from medieval Latin marcasita, from Arabic marqašīṯa, from Persian.

Definition of marcasite in US English:

marcasite

nounˈmärkəˌsītˈmɑrkəˌsaɪt

1A semiprecious stone consisting of pyrite.
白铁矿石（一种次贵重宝石）
Example sentencesExamples
- Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
- Laurie's hand automatically moves to cover the silver brooch, fingers tracing the elaborate curling leaves encrusted with marcasite.
- Two small dumps are exposed, affording an opportunity to collect some of the attractive microcrystals of rhodochrosite and crystals of apatite, gypsum, barite, goethite, marcasite, calcite, and chalcocite that are found there.
- Access to the pit is prohibited, but excellent specimens of calcite scalenohedra, dolomite rhombohedra, pyrite, and marcasite have been collected from the pit's east wall.
- Stones and metals fall under the rulership of planets, not signs, but through its association with Venus, Libra has affinity with copper, sapphires, marcasite, lapis lazuli and chrysolite.
1. 1.1 A bronze-yellow mineral consisting of iron disulfide but differing from pyrite in typically forming aggregates of tabular crystals.
  黄铁矿
  Example sentencesExamples
  Although the matrix is known to contain mainly pyrite, other sulfides are also present, such as marcasite and a presently unidentified silver-gray mineral coating the interiors of the flow tubes.
  Sphalerite stalactites to 15 cm in diameter and coated with crystallized marcasite and galena are reported from the Marsden prospect near Galena, Illinois.
  The fine-grained sediment of the matrix consists chiefly of pyrite or marcasite, and their surfaces are often covered with outward-projecting crystals of pyrite or marcasite.
  The bodies of iron sulfide nodules in the Olentangy Shale are composed of fine-grained pyrite, and their surfaces are frequently covered with tabular crystals of marcasite.
  We have also noted clumps of small marcasite crystals as a late-stage association with galena and drusy quartz from the Eagle mine.
2. 1.2 A piece of polished steel or a similar metal cut as a gem.
  磨钢装饰石

Origin

Late Middle English: from medieval Latin marcasita, from Arabic marqašīṯa, from Persian.

词汇	marcasite
释义	Definition of marcasite in English: marcasite noun ˈmɑːkəsʌɪtˈmɑːkəziːtˈmɑrkəˌsaɪt 1A semi-precious stone consisting of iron pyrites. 白铁矿石（一种次贵重宝石） Example sentencesExamples Two small dumps are exposed, affording an opportunity to collect some of the attractive microcrystals of rhodochrosite and crystals of apatite, gypsum, barite, goethite, marcasite, calcite, and chalcocite that are found there. Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite. Laurie's hand automatically moves to cover the silver brooch, fingers tracing the elaborate curling leaves encrusted with marcasite. Access to the pit is prohibited, but excellent specimens of calcite scalenohedra, dolomite rhombohedra, pyrite, and marcasite have been collected from the pit's east wall. Stones and metals fall under the rulership of planets, not signs, but through its association with Venus, Libra has affinity with copper, sapphires, marcasite, lapis lazuli and chrysolite. 1.1mass noun A bronze-yellow mineral consisting of iron disulphide but differing from pyrite in typically forming aggregates of tabular crystals. 黄铁矿 Example sentencesExamples We have also noted clumps of small marcasite crystals as a late-stage association with galena and drusy quartz from the Eagle mine. Sphalerite stalactites to 15 cm in diameter and coated with crystallized marcasite and galena are reported from the Marsden prospect near Galena, Illinois. Although the matrix is known to contain mainly pyrite, other sulfides are also present, such as marcasite and a presently unidentified silver-gray mineral coating the interiors of the flow tubes. The fine-grained sediment of the matrix consists chiefly of pyrite or marcasite, and their surfaces are often covered with outward-projecting crystals of pyrite or marcasite. The bodies of iron sulfide nodules in the Olentangy Shale are composed of fine-grained pyrite, and their surfaces are frequently covered with tabular crystals of marcasite. 1.2 A piece of polished steel or a similar metal cut as a gem. 磨钢装饰石 Origin Late Middle English: from medieval Latin marcasita, from Arabic marqašīṯa, from Persian. Definition of marcasite in US English: marcasite nounˈmärkəˌsītˈmɑrkəˌsaɪt 1A semiprecious stone consisting of pyrite. 白铁矿石（一种次贵重宝石） Example sentencesExamples Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite. Laurie's hand automatically moves to cover the silver brooch, fingers tracing the elaborate curling leaves encrusted with marcasite. Two small dumps are exposed, affording an opportunity to collect some of the attractive microcrystals of rhodochrosite and crystals of apatite, gypsum, barite, goethite, marcasite, calcite, and chalcocite that are found there. Access to the pit is prohibited, but excellent specimens of calcite scalenohedra, dolomite rhombohedra, pyrite, and marcasite have been collected from the pit's east wall. Stones and metals fall under the rulership of planets, not signs, but through its association with Venus, Libra has affinity with copper, sapphires, marcasite, lapis lazuli and chrysolite. 1.1 A bronze-yellow mineral consisting of iron disulfide but differing from pyrite in typically forming aggregates of tabular crystals. 黄铁矿 Example sentencesExamples Although the matrix is known to contain mainly pyrite, other sulfides are also present, such as marcasite and a presently unidentified silver-gray mineral coating the interiors of the flow tubes. Sphalerite stalactites to 15 cm in diameter and coated with crystallized marcasite and galena are reported from the Marsden prospect near Galena, Illinois. The fine-grained sediment of the matrix consists chiefly of pyrite or marcasite, and their surfaces are often covered with outward-projecting crystals of pyrite or marcasite. The bodies of iron sulfide nodules in the Olentangy Shale are composed of fine-grained pyrite, and their surfaces are frequently covered with tabular crystals of marcasite. We have also noted clumps of small marcasite crystals as a late-stage association with galena and drusy quartz from the Eagle mine. 1.2 A piece of polished steel or a similar metal cut as a gem. 磨钢装饰石 Origin Late Middle English: from medieval Latin marcasita, from Arabic marqašīṯa, from Persian.
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