- Fluorite (Wikipedia)
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.
- St. Patrick’s Catholic Church, San Francisco (Wikipedia)
St. Patrick’s Catholic Church is a Roman Catholic church in San Francisco, California, founded in 1851. It is located at 756 Mission Street, between 3rd and 4th streets, across the street from Yerba Buena Gardens in the heart of the South of Market district.