the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > of aluminium and calcium (4)
A hydrated silicate of calcium, now regarded as identical with gismondine or phillipsite.
A hydrous silicate of aluminium and calcium, found near Rome.
A supposed zeolite mineral, later identified as a mixture of phillipsite with gismondine or levyne.
A white or brownish variety of scapolite, occurring in Massachusetts.