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・ Apicalia habei
・ Apicalia inflata
・ Apicalia palmipedis
・ Apicalia sandwichensis
・ Apicalia taiwanica
・ Apicalia tryoni
・ Apice
・ Apicella
・ Apichad Thaveechalermdit
・ Apichai Tragoolpadetgrai
・ Apichatpong Weerasethakul
・ Apichet Kittikorncharoen
・ Apichet Puttan
・ Apicia
・ Apicidin
Aphthitalite
・ Aphthona
・ Aphthona abdominalis
・ Aphthona cyparissiae
・ Aphthona czwalinae
・ Aphthona euphorbiae
・ Aphthona flava
・ Aphthona herbigrada
・ Aphthona lacertosa
・ Aphthona melancholica
・ Aphthona nigriscutis
・ Aphthonius
・ Aphthonius of Antioch
・ Aphthonocosma
・ Aphthonocosma plutarcha


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Aphthitalite : ウィキペディア英語版
Aphthitalite

Aphthitalite is a potassium sulfate mineral with the chemical formula: (K,Na)3Na(SO4)2.
It was first described in 1835 for an occurrence on Mt. Vesuvius, Italy. The name is from the Greek άφθητος, "unalterable", and άλας, "salt", for its stability in air.〔 It occurs as fumarolic incrustations in volcanic environments, as small crystals and masses in evaporite deposits and in guano deposits.〔〔 It occurs associated with thenardite, jarosite, sylvite and hematite in fumaroles; with blodite, syngenite, mirabilite, picromerite, borax and halite in evaporites; and with syngenite, whitlockite, monetite, niter and gypsum in guano deposits.〔
==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「Aphthitalite」の詳細全文を読む



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