UM1993-06-F:CaNaREEY
Valid as an unnamed mineral
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Formula:
(Na,Ca)3(Y,REE)3F12
Colour:
colourless to pale rose
Lustre:
Vitreous
Specific Gravity:
4.45
Crystal System:
Hexagonal
Chemically resembles gagarinite-(Y). Indeed, inferred to be isostructural with this species and related to it as described by a substitution: NaCa(Y,REE)F6-Na1.5(Y,REE)1.5F6.
As grains, up to 0.5 mm in diameter, intergrown with quartz. In metasomatic formations, with riebeckite, astrophyllite, zircon, a pyrochlore group species, albite, and microcline.
As grains, up to 0.5 mm in diameter, intergrown with quartz. In metasomatic formations, with riebeckite, astrophyllite, zircon, a pyrochlore group species, albite, and microcline.
Unique Identifiers
Mindat ID:
53466
Long-form identifier:
mindat:1:1:53466:4
GUID
(UUID V4):
(UUID V4):
e9e54ee5-72e6-48ac-9df7-d3609b525142
Classification of UM1993-06-F:CaNaREEY
IMA status notes:
Unnamed (probably valid)
Physical Properties of UM1993-06-F:CaNaREEY
Vitreous
Colour:
colourless to pale rose
Tenacity:
Brittle
Density:
4.45 g/cm3 (Measured) 4.52 g/cm3 (Calculated)
Comment:
methods not stated
Optical Data of UM1993-06-F:CaNaREEY
Type:
Uniaxial (+)
RI values:
nω = 1.475 nε = 1.495
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Chemical Properties of UM1993-06-F:CaNaREEY
Formula:
(Na,Ca)3(Y,REE)3F12
Elements listed:
Crystallography of UM1993-06-F:CaNaREEY
Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 5.9855(5) Å, c = 3.5469(4) Å
Ratio:
a:c = 1 : 0.593
Unit Cell V:
110.05 ų (Calculated from Unit Cell)
Z:
1
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for UM1993-06-F:CaNaREEY
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kabalov, Yu.K., Sokolova, Ye.V., and Grigor'yev, A.P. (1993): Determination of the crystal structure of the new mineral Na1.23Ca0.12Y1.28TR0.24F6 by the Rietveld method. Doklady Akad. Nauk, 330(6), 713-715 (in Russian); in: Jambor, J.L., Grew, E.S., and Roberts, A.C. (1994): New mineral names. American Mineralogist: 79: 1213
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se/Valid2009_03.pdf
Internet Links for UM1993-06-F:CaNaREEY
mindat.org URL:
https://www.mindat.org/min-53466.html
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Please feel free to link to this page.
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Localities for UM1993-06-F:CaNaREEY
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Russia | |
| Kabalov, Yu.K., Sokolova, Ye.V., and Grigor'yev, A.P. (1993): Determination of the crystal structure of the new mineral Na1.23Ca0.12Y1.28TR0.24F6 by the Rietveld method. Doklady Akad. Nauk, 330(6), 713-715 (in Russian; in: Jambor, J.L., Grew, E.S., and Roberts, A.C. (1994): New mineral names. American Mineralogist: 79: 1213 |