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Name: Turkestanite RRUFF ID: R060525 Ideal Chemistry: (K,◻)(Ca,Na)2ThSi8O20·nH2O Locality: DeMix Quarry, Mont St. Hilaire, Rouville County, Quebec, Canada Source: Michael Scott S100210 [view label] Owner: RRUFF Description: Divergent group of brown rectangular prisms Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Steacyite (4) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R060525.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 7.563(1)Å b: 7.563(1)Å c: 14.723(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 842.1(4)Å3 Crystal System: tetragonal |
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REFERENCES for Turkestanite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Pautov L A, Agakhanov A A, Sokolova E V, Kabalov Y K (1997) Turkestanite Th(Ca,Na)2(K1-x◻x)Si8O20·nH2O a new mineral, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 126, issue 6 45-55 [view file] |
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Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352 [view file] |
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Kabalov Y K, Sokolova E V, Pautov L A, Schneider J (1998) Crystal structure of a new mineral turkestanite: A calcium analogue of steacyite, Crystallography Reports, 43, 632-636 [view file] |
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Kabalov Y K, Sokolova E V, Pautov L A, Schneider J (1998) Crystal structure of a new mineral turkestanite: a calcium analogue of steacyite, Crystallography Reports, 43, 584-588 [view file] |
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Estrade G, Salvi S, Béziat D (2018) Crystallization and destabilization of eudialyte-group minerals in peralkaline granite and pegmatite: a case study from the Ambohimirahavavy complex, Madagascar, Mineralogical Magazine, 82, 375-399 |
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Kaneva E, Radomskaya T, Belozerova O, Shendrik R (2023) Crystal chemistry of turkestanite, Dara-i-Pioz massif, Tajikistan, Mineralogical Magazine, 87, 252-261 |
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