Edingtonite
Mineral BaAl2Si3O10·4H2O
About it
A barium zeolite in small, nearly square prisms, heavy for a zeolite; described from the Kilpatrick Hills, Scotland, with excellent crystals from British Columbia's Ice River complex.
- Type
- Mineral
- Group
- Silicate (tectosilicate), zeolite group
- Formula
- BaAl2Si3O10·4H2O
- Hardness (Mohs)
- 4–4.5
- Specific gravity
- 2.73–2.78
- Streak
- white
- Lustre
- vitreous (glassy)
- Crystal system
- Orthorhombic
- Colours
- white, grey, pink, colourless
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect prismatic
Typical values: real specimens vary. For more, see mindat.org.