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Antarcticite is an uncommon calcium chloride hexahydrate mineral with formula CaCl2·6H2O. It forms colorless acicular trigonal crystals. It is hygroscopic and has a low specific gravity of 1.715. As its name implies, it was first described in 1965 for an occurrence in Antarctica where it occurs as crystalline precipitate from a highly saline brine in Don Juan Pond, in the west end of Wright Valley, Victoria Land. This discovery was made by Japanese geochemists Tetsuya Torii and Joyo Ossaka. It was also reported from brine in Bristol Dry Lake, California, and stratified brine within blue holes on North Andros Island in the Bahamas. It has also been noted within fluid inclusions within quartz in pegmatite bodies in the Bushveld complex of South Africa. It occurs in association with halite, g

AttributesValues
rdf:type
rdfs:label
  • Antarcticite (en)
  • Antarcticita (ca)
  • Antarcticit (de)
  • Antartizita (eu)
  • Antarticita (es)
  • Antarcticite (it)
  • Antarcticite (fr)
  • 남극석 (ko)
  • 南極石 (ja)
  • Antarcticite (pt)
  • 南极石 (zh)
  • Антарктиніт (uk)
rdfs:comment
  • Antarcticit (auch Antarkticit) ist ein sehr selten vorkommendes Mineral aus der Mineralklasse der Halogenide. Es kristallisiert im trigonalen Kristallsystem mit der chemischen Zusammensetzung CaCl2 • 6 H2O, ist also chemisch gesehen ein wasserhaltiges Calciumchlorid. Das Mineral bildet Aggregate aus farblosen, nadelförmigen, bis zu 15 cm großen Kristallen. (de)
  • Antartizita mineral bat da. (eu)
  • La antarticita es un mineral de la clase de los minerales haluros, y dentro de esta pertenece al llamado “grupo de la antarticita”. Fue descubierta en 1965 en los lagos salados que se forman en los valles de clima seco en la Antártida,​ siendo nombrada así por esta localización. Un sinónimo es hidrofilita, que no debe usarse pues es sinónimo de varios minerales parecidos. (es)
  • 南極石（なんきょくせき、Antarcticite、アンタークチサイト）とは、ハロゲン化鉱物の1種である。室温環境下で融解することを特徴とする鉱物の1つとして知られる。 (ja)
  • L'antarctite è un raro minerale composto da cloruro di calcio esaidrato avente formula: CaCl2·6H2O. Forma cristalli incolori aciculari trigonali. È un minerale fortemente igroscopico e ha una bassa gravità specifica di 1,715 g/cm³. In alcuni casi, può deidratarsi trasformandosi in . Un minerale simile, la sinjarite o diidrato di cloruro di calcio, cristallizza con sistema tetragonale. L'idrofilite, precedentemente descritta come specie a sé stante, è un cloruro di calcio minerale screditato, in quanto considerato essere antarcticite o sinjarite. (it)
  • 남극석 (Antarcticite, 앤탁티사이트)는 할로겐 광물의 한 종이다. 상온에서 융해되는 것을 특징으로 하는 무기물의 한 종으로 알려져 있다. (ko)
  • Антарктикіт (рос. антарктикит; англ. antarcticite; нім. Antarcticit m) — хлориду кальцію. (uk)
  • A antarticite é um mineral. (pt)
  • 南极石是一种罕见的氯化钙水合物，化学式为 CaCl2·6H2O，无色针状三方晶体，易潮解，比重低（约为1.715）。 (zh)
  • L'antarcticita és un mineral calci poc freqüent, amb la fórmula: CaCl₂·6H₂O. Forma cristalls trigonals aciculars incolors. És higroscòpic i té una baixa densitat relativa d'1,715. Com el seu nom indica, va ser descrit per primera vegada l'any 1965 a l'Antàrtida, on es troba com un precipitat cristal·lí a una salina a l'estany Don Juan. Posteriorment també se n'ha trobat al Bristol Dry Lake, Califòrnia, i al nord de l'illa d'Andros a les Bahames, en estrats de roques evaporites a partir d'aigua marina en columnes, en els anomenats forats blaus. També s'ha observat dins d'inclusions fluides en quars en pegmatites al complex Bushveld de Sud-àfrica. També es troba en associació amb halita, guix i celestina a Dry Lake, Califòrnia. (ca)
  • Antarcticite is an uncommon calcium chloride hexahydrate mineral with formula CaCl2·6H2O. It forms colorless acicular trigonal crystals. It is hygroscopic and has a low specific gravity of 1.715. As its name implies, it was first described in 1965 for an occurrence in Antarctica where it occurs as crystalline precipitate from a highly saline brine in Don Juan Pond, in the west end of Wright Valley, Victoria Land. This discovery was made by Japanese geochemists Tetsuya Torii and Joyo Ossaka. It was also reported from brine in Bristol Dry Lake, California, and stratified brine within blue holes on North Andros Island in the Bahamas. It has also been noted within fluid inclusions within quartz in pegmatite bodies in the Bushveld complex of South Africa. It occurs in association with halite, g (en)
  • L'antarcticite est un minéral rare constitué de chlorure de calcium hydraté, de formule chimique CaCl2 · 6 H2O. Il forme des cristaux trigonaux aciculaires incolores. Il est hygroscopique et a une faible densité : 1,715. Un minéral similaire, la sinjarite (chlorure de calcium dihydraté, CaCl2 · 2 H2O), cristallise pour sa part dans le système tétragonal. Enfin, l'hydrophilite est un minéral de chlorure de calcium maintenant discrédité qui est considéré comme de l'antarcticite ou de la sinjarite. (fr)
foaf:name
  • Antarcticite (en)
name
  • Antarcticite (en)
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strunz
tenacity
  • Brittle (en)
unit cell
  • a = 7.9, c = 3.95 [Å]; Z = 1 (en)
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