Hydratkalk

Structural context

Portlandite
Crystal System trigonalCrystal Class hexagonal scalenohedralSpace Group P-3m1

Chemical context

Stoichiometric formulas

Hydratkalk
mindat.org
  • March 13, 2023Ca(OH)2
Portlandite
mindat.org
  • March 13, 2023Ca(OH)2
IMA
  • March 13, 2023Ca(OH)2
mineralogy.rocks
  • Aug. 30, 2022Ca(OH)2

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colorless
  • greenish white
Color noteOriginal color note from the source
Colorless, white to greenish white
Lustre
Pearly
Transparency
Transparent
Tenacity
sectile
Hardness
2—3
Measured density
2.227—2.233
Calculated density
2.26