Krásnoite R120056



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 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R120056
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
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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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Krásnoite

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]

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]

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]

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]