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Ýéõðîèò
— ìèíåðàë ðîìáè÷åñêîé ñèñòåìû, áèïèðàìèäàëüíîãî êëàññà. Êðèñòàëëû èìåþò âèä êîðîòêèõ ïðèçì, èçóìðóäíî-çåëåíîãî öâåòà. Òâåðäîñòü 3,5—4. Óäåëüíûé âåñ 3,3—3,4. Áëåñê ñòåêëÿííûé. Ïî õèìè÷åñêîìó ñîñòàâó — âîäíûé ìåäíûé àðñåíàò: AsO 4Cu[Cu.OH].3H2O.
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Page was updated:Tuesday, 11-Sep-2012 18:17:01 MSK |