Marialite

Scapolite (Marialite-Meionite Series). An unusual, Pb-rich and Be-bearing marialite was described by Christy & Gatedal (2005).

History

Activities related to discovery and approval of the group members

Structural context

Marialite
Crystal System tetragonalCrystal Class tetragonal dipyramidalSpace Group I4/m
a12.0396—12.1974 (12.091)
b12.0396—12.1974 (12.091)
c7.5427—7.596 (7.5779)
alpha90
beta90
gamma90
volume1093.33—1127.65 (1107.8394)

Based on 30 measurements

Chemical context

Stoichiometric formulas

Marialite
mindat.org
  • March 13, 2023Na4Al3Si9O24Cl
IMA
  • March 13, 2023Na4Al3Si9O24Cl
mineralogy.rocks
  • Aug. 30, 2022Na4Al3Si9O24Cl

Elements recorded on EPMA

28
Al
28
Cl
28
Na
28
O
28
Si
27
Ca
21
C
16
K
4
S
3
H
2
Ba
2
Fe
2
Sr
1
Mg

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
    • bluish
    • brownish
    • yellowish
      • greenish
      Color noteOriginal color note from the source
      Colourless, white, bluish, brownish, yellowish, violet, greenish
      StreakStreak entities, recognized using a custom trained NER model
        Streak noteOriginal streak note from the source
        White
        Lustre
        Vitreous
        Resinous
        Pearly
        Fracture
        Irregular/Uneven
        Conchoidal
        Transparency
        Transparent
        Translucent
        Tenacity
        very brittle
        Hardness
        5.5—6
        Measured density
        2.5—2.62
        Calculated density
        2.54