Minerals in space group 182

Kalsilite (KAlSiO4) is a vitreous white to grey feldspathoidal mineral that is found in some potassium-rich lavas, such as from Chamengo Crater in Uganda. It has a relative hardness of 5.5.

Quintinite is a carbonate mineral with the chemical formula Mg4Al2(OH)12CO3⋅3H2O.