Anapaite

History

Activities related to discovery and approval of the group members

Structural context

Anapaite
Crystal System triclinicCrystal Class pinacoidalSpace Group P-1
a6.39—6.447 (6.4298)
b6.806—6.86 (6.8223)
c5.88—5.898 (5.8908)
alpha101—101.69 (101.495)
beta104—104.29 (104.2)
gamma70.76—71 (70.84)
volume233.845—235.108 (234.6238)

Based on 4 measurements

Chemical context

Stoichiometric formulas

Anapaite
mindat.org
  • March 13, 2023Ca2Fe2+(PO4)2·4H2O
IMA
  • March 13, 2023Ca2Fe2+(PO4)2 · 4H2O
mineralogy.rocks
  • Aug. 30, 2022Ca2Fe2+(PO4)2·4H2O

Elements recorded on EPMA

4
Ca
4
Fe
4
H
4
O
4
P
1
Mg
1
Mn

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • light green
  • greenish-white
  • milky white
  • colorless
  • colourless
Color noteOriginal color note from the source
Green, greenish-white, milky white, colorless; colourless to light green in transmitted light.
StreakStreak entities, recognized using a custom trained NER model
    Streak noteOriginal streak note from the source
    White
    Lustre
    Sub-Vitreous
    Resinous
    Waxy
    Greasy
    Transparency
    Transparent
    Tenacity
    flexible
    Hardness
    3.5
    Calculated density
    2.81