Thenardite

Structural context

Thénardite
Crystal System orthorhombicCrystal Class orthorhombic dipyramidalSpace Group Fddd

Chemical context

Stoichiometric formulas

Thenardite
mindat.org
  • March 13, 2023Na2SO4
Thénardite
mindat.org
  • March 13, 2023Na2SO4
IMA
  • March 13, 2023Na2(SO4)
mineralogy.rocks
  • Aug. 30, 2022Na2SO4

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
  • colourless
  • light grey
  • light brown
Color noteOriginal color note from the source
Colourless, very light grey, light brown; colourless in transmitted light
Lustre
Vitreous
Resinous
Fracture
Irregular/Uneven
Hackly
Transparency
Transparent
Translucent
Tenacity
brittle
Hardness
2.5—3
Calculated density
2.674