Strontianite (SrCO3) is a mineral consisting of strontium carbonate. This mineral is white, greenish, or yellowish in color,
usually occurring in fibrous massive forms, but sometimes in prismatic[?]crystals.
... householder with no husband present, and 17.9% are non-families. 13.4% of all households are made up of individuals and 5.5% have someone living alone who is 65 years of ...