Orlymanite

Gyrolite Group.

History

Activities related to discovery and approval of the group members

Structural context

Orlymanite
Crystal System hexagonal
a9.6
b9.6
c35.92
alpha90
beta90
gamma120
volume2866.879

Based on 1 measurements

Chemical context

Stoichiometric formulas

Orlymanite
mindat.org
  • March 13, 2023Ca4Mn3Si8O20(OH)6·2H2O
IMA
  • March 13, 2023Ca4Mn2+3Si8O20(OH)6 · 2H2O
mineralogy.rocks
  • Aug. 30, 2022Ca4Mn2+3Si8O20(OH)6·2H2O

Elements recorded on EPMA

1
Al
1
Ca
1
Fe
1
H
1
Mg
1
Mn
1
Na
1
O
1
Si

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • dark brown
Color noteOriginal color note from the source
Dark brown
StreakStreak entities, recognized using a custom trained NER model
  • light brown
Streak noteOriginal streak note from the source
Light brown
Lustre
Vitreous
Transparency
Translucent
Hardness
4—5
Measured density
2.7—2.8
Calculated density
2.93