鋇硬錳礦(法語:Romanèchite[1]((Ba,H
2
O)
2
(Mn4+,Mn3+)
5
O
10
)是一種礦物質混合物,主要成分為硬錳礦組[2],大多數硬錳礦組不是純礦,鋇硬錳礦是有價的錳礦石,用於煉鋼鈉電池生產[3]。屬單斜晶系結構,硬度6,比重4.7-5。鋇硬錳礦是由氧化錳八面體形成的結構[4]

鋇硬錳礦
鋇硬錳礦,標本地點:密歇根州馬凱特
基本資料
類別氧化物礦物
化學式(Ba,H
2
O)
2
(Mn4+,Mn3+)
5
O
10
晶體分類稜柱形
晶體空間群C2/m
性質
晶系單斜晶系
莫氏硬度6-6.5
光澤亞金屬光澤
條痕藍色至黑色

鋇硬錳礦與赤鐵礦重晶石軟錳礦石英等錳氧化物礦物伴生。產地包括中國大陸[5]法國德國英國巴西印度美國亞利桑那州弗吉尼亞州田納西州密歇根州,以及整個阿巴拉契亞山脈[6]

參考文獻

編輯
  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Romanechite, Mindat.org
  3. ^ Harlow G, Peters J, Prinz M (1977). "Oxides and Htdroxides.". Simon & Schuster's Guide to Rocks and Minerals. New York: Simon & Schuster.
  4. ^ Post JE (March 1999). "Manganese oxide minerals: crystal structures and economic and environmental significance". Proceedings of the National Academy of Sciences of the United States of America. 96 (7): 3447–54. Bibcode:1999PNAS...96.3447P. doi:10.1073/pnas.96.7.3447. PMC 34287. PMID 10097056.
  5. ^ Li JY, Wu XL, Zhang XH, Lü HY, Wang G, Guo JZ, et al. (October 2015). "Romanechite-structured Na(0.31)MnO(1.9) nanofibers as high-performance cathode material for a sodium-ion battery". Chemical Communications. 51 (80): 14848–51. doi:10.1039/C5CC05739F. PMID 26344149
  6. ^ Carmichael SK, Doctor DH, Wilson CG, Feierstein J, McAleer RJ (2017-09-01). "New insight into the origin of manganese oxide ore deposits in the Appalachian Valley and Ridge of northeastern Tennessee and northern Virginia, USA". GSA Bulletin. 129 (9–10): 1158–1180. doi:10.1130/B31682.1. ISSN 0016-7606