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Name: Krásnoite RRUFF ID: R120056 Ideal Chemistry: Ca3Al7.7Si3P4O22.9(OH)13.3F2·8H2O Locality: Horní Slavkov, Czech Republic Source: Bob Jenkins [view label] Owner: RRUFF Description: Aggregate of colorless thin hexagonal plates on quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Perhamite (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R120056.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 6.947(4)Å b: 6.947(4)Å c: 20.09(2)Å alpha: 90° beta: 90° gamma: 120° Volume: 839.4(3)Å3 Crystal System: hexagonal |
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REFERENCES for Krásnoite | |
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Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 10. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2549-2561 [view file] |
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Mills S J, Sejkora J, Kampf A R, Grey I E, Bastow T J, Ball N A, Adams P M, Raudsepp M, Cooper M A (2012) Krásnoite, the fluorophosphate analogue of perhamite, from the Huber open pit, Czech Republic and the Silver Coin mine, Nevada, USA, Mineralogical Magazine, 76, 625-634 [view file] |
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Hålenius U, Hatert F, Pasero M, Mills S J (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 41. New minerals and nomenclature modifications approved in 2017 and 2018, Mineralogical Magazine, 82, 229–233 [view file] |
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McCubbin F M, Phillips B L, Adcock C T, Tait K T, Steele A, Vaughn J S, Fries M D, Atudorei V, Vander Kaaden K E, Hausrath E M (2018) Discreditation of bobdownsite and the establishment of criteria for the identification of minerals with essential monofluorophosphate (PO3F2-), American Mineralogist, 103, 1319–1328 [view file] |
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