ФОРМА КРИСТАЛЛОВ И УСЛОВИЯ СТАБИЛЬНОСТИ ФАЗ В СИСТЕМЕ К2СRО4-К2СR2О7-Н2О
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dc.contributor.author | Кирьянова Е.В. | |
dc.contributor.author | Александрова Ю.В. | |
dc.contributor.author | Старкова В.А. | |
dc.date.accessioned | 2024-03-16T02:51:53Z | |
dc.date.available | 2024-03-16T02:51:53Z | |
dc.date.issued | 2006 | |
dc.identifier | https://elibrary.ru/item.asp?id=9222554 | |
dc.identifier.citation | Записки Российского минералогического общества, 2006, 135, 1, 103-111 | |
dc.identifier.issn | 0869-6055 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/42989 | |
dc.description.abstract | For crystals with the structurally related radicals [XO4]2- and [X2O7]2- - tarapacaite (β-K2CrO4), lopezite (α-K2Cr2O7), and the phase β-K2Cr2O7, the regularities of their morphogenesis were studied during their combined crystallization within system K2CrO4-К2Сr2O7-H2O. Change of elongation of lopezite crystals from [001] parallel in the binary solutions to the [100] parallel one, in sybeutonic solutions, in the range near 28 °C isotherm is resulting from the specific adsorption of metastable phase β-K2Cr2O7 on {010} faces of α-K2Cr207 (due to conformity of planes columns from diorthogroups in structure of both phases). Mutual adsorption effects of αand β-K2Cr2O7 phases is the cause of hypomorphy of their crystals. Increase in development of {001} faces on tarapacaite in subeutonic solutions is connected with partial dimerization of orthogroups in the [001] direction. The field of stable growth of the β-K2Cr2O7 phase from water solutions was localized for the first time, so as the detail study of edging of its crystals. | |
dc.title | ФОРМА КРИСТАЛЛОВ И УСЛОВИЯ СТАБИЛЬНОСТИ ФАЗ В СИСТЕМЕ К2СRО4-К2СR2О7-Н2О | |
dc.type | Статья | |
dc.subject.udc | 548.545:546.766:541.123.3 |
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