Gagarinite-(Y) PL/XL measurement, x-ray beam, Ryabenko <i>et al.</i> 1986

Gagarinite-(Y) PL/XL measurement, x-ray beam, Ryabenko et al. 1986

Reference	Ryabenko S.V. and Gorobets B.S. Rare-earth fluorides from alkali-rare-earth metasomatites. - Mineralogical Collected Papers ( Mineralogicheski Sbornik). - Lviv: Lviv State University. Vyshcha Shkola. - 1986. - No. 40 (1). - P. 77-80.
Material	Gagarinite-(Y) [ NaCaYF₆ ] Brick-red sample of gagarinite-(Y), showing crystalline shape, embeded in cryolite and sugar fluoraluminates like thomsenolite or gearksutite, from Katugin, Chitinskaya Oblast', Transbaikalia, Eastern Siberia, Russian Federation Photo by Joan Rosell, from rosellminerals.com, CC-BY-SA 4.0
Specimen temperature	Ambient
Analysis technique	X-ray photoluminescence
Probe	X-ray beam
Lines	Dy³⁺ 490 nm, 576 nm, {{linesearch:457478b7-152e-4280-8a28-842b626226df\|Eu³⁺}}: 610 nm, {{linesearch:b31991a2-068a-4c6f-8aa6-44cd7a42ec04\|Sm³⁺}}: 603.5 nm, {{linesearch:ba94a000-ff7b-4b94-82d6-b81da76ba992\|Tb³⁺}}: 547.5 nm

Nominal composition of Gagarinite-(Y) [ NaCaYF₆ ].
Element	Atoms	At%	Wt%
Na	1	11.1	8.64
Ca	1	11.1	15.1
Y	1	11.1	33.4
F	6	66.7	42.9
Total	9	100	100