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・ Allochiton
・ Allochlorodes
・ Allochrocebus
・ Allochromatium
・ Allochrony
・ Allochrosis
・ Allochrostes
・ Allochrusa
・ Allochrusa takhtajanii
・ Allochrysolina
・ Allochthon
・ Allochtoon
・ Allocinopus
・ AlloCiné
・ Allock, Kentucky
Alloclasite
・ Alloclavaria
・ Alloclavaria purpurea
・ Alloclemensia
・ Alloclemensia americana
・ Alloclemensia devotella
・ Alloclemensia maculata
・ Alloclemensia mesospilella
・ Alloclemensia minima
・ Alloclemensia unifasciata
・ Alloclinus holderi
・ Alloclionites
・ Alloclita
・ Alloclita brachygrapta
・ Alloclita cerritella


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Alloclasite : ウィキペディア英語版
Alloclasite
Alloclasite ((Co,Fe)AsS) is a sulfosalt mineral. It is a member of the arsenopyrite group. Alloclasite crystallizes in the monoclinic system and typically forms as columnar to radiating acicular prismatic clusters. It is an opaque steel-gray to silver-white, with a metallic lustre and a black streak. It is brittle with perfect cleavage, a Mohs hardness of 5 and a specific gravity of 5.91–5.95.〔http://rruff.geo.arizona.edu/doclib/hom/alloclasite.pdf Handbook of Mineralogy〕
It was first described in 1866 for an occurrence in Romania.〔http://www.mindat.org/min-134.html Mindat data〕 Its name is derived from Greek for "other" and "to break," in reference to its distinct cleavage which distinguished it from the similar appearing mineral marcasite.〔http://www.webmineral.com/data/Alloclasite.shtml Webmineral data〕〔
== References ==



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Alloclasite」の詳細全文を読む



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