Leonite

The magnesium analogue of Mereiterite. May occur as a dehydration product of Picromerite.

History

Activities related to discovery and approval of the group members

Structural context

Leonite
Crystal System monoclinicCrystal Class prismaticSpace Group C2/m
a11.769—12.035 (11.9228)
b9.469—9.594 (9.5385)
c9.851—19.839 (12.3825)
alpha90
beta85—95.31 (92.605)
gamma90
volume1094.02—2271.3 (1401.745)

Based on 8 measurements

Chemical context

Stoichiometric formulas

Leonite
mindat.org
  • March 13, 2023K2Mg(SO4)2·4H2O
IMA
  • March 13, 2023K2Mg(SO4)2 · 4H2O
mineralogy.rocks
  • Aug. 30, 2022K2Mg(S6+O4)2·4H2O

Elements recorded on EPMA

8
K
8
O
8
S
7
H
5
Mn
3
Mg

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
  • colourless
  • pale yellow
Color noteOriginal color note from the source
Colourless, pale yellow; colourless (transmitted light).
StreakStreak entities, recognized using a custom trained NER model
    Streak noteOriginal streak note from the source
    White
    Lustre
    Vitreous
    Waxy
    Fracture
    Conchoidal
    Transparency
    Transparent
    Hardness
    2.5—3
    Calculated density
    2.2