Arisite-(Ce)

Ce-analogue of arisite-(La). Related to lukechangite-(Ce), cordylite-(Ce), huanghoite-(Ce), horváthite-(Y).

History

Activities related to discovery and approval of the group members

Structural context

Arisite-(Ce)
Crystal System hexagonalCrystal Class ditrigonal dipyramidalSpace Group P-6m2
a5.1109—5.1189 (5.1149)
b5.1109—5.1189 (5.1149)
c8.6713—8.68 (8.6757)
alpha90
beta90
gamma120
volume196.16—196.98 (196.57)

Based on 2 measurements

Chemical context

Stoichiometric formulas

Arisite-(Ce)
mindat.org
  • March 13, 2023NaCe2(CO3)2[F2x(CO3)1-x]F
IMA
  • March 13, 2023NaCe2(CO3)2[F2x(CO3)1-x]F
mineralogy.rocks
  • Aug. 30, 2022NaCe3+2(CO3)2[(CO3)1-xF2x]F

Elements recorded on EPMA

2
C
2
Ca
2
Ce
2
F
2
La
2
Na
2
Nd
2
O
2
Pr
2
Sm

Physical properties

ColorColor entities, recognized using a custom trained NER model
    • beige-yellow
    • light lemon yellow
    • pinkish
    Color noteOriginal color note from the source
    Beige, beige-yellow, light lemon yellow to pinkish
    Lustre
    Vitreous
    Pearly
    Fracture
    Conchoidal
    Transparency
    Transparent
    Tenacity
    brittle
    Hardness
    3—3.5
    Calculated density
    4.126