Category
page 1Minerals described in 1910
bassanite
Bassanite is a sulfate mineral composed of calcium sulfate hemihydrate, with the chemical formula or . It has half a water molecule per CaSO4 unit.
stichtite
Stichtite is a mineral, a carbonate of chromium and magnesium; formula Mg6Cr2CO3(OH)16·4H2O. Its colour ranges from pink through lilac to a rich purple colour. It is formed as an alteration product of chromite-containing serpentine. It occurs in association with barbertonite (the hexagonal polymorph of Mg6Cr2CO3(OH)16·4H2O), chromite and antigorite.