Tetragonal Scalenohedral Minerals in the Tetragonal crystal system, Scalenohedral class (-4 2m) https://www.mindat.org/system_search.php?g=24 Åkermanite Alumoåkermanite Archerite Arsiccioite Atelisite-(Y) Bariopharmacosiderite Barquillite Černýite Chalcopyrite Chatkalite Famatinite Ferrostalderite Gallite Garronite-Ca Gehlenite Hardystonite Hocartite Itsiite Jasmundite Jeffbenite Keutschite Laforêtite Lenaite Luzonite Mawsonite Novodneprite Ralphcannonite Renierite Roquesite Routhierite Santarosaite Shenzhuangite Stannite Strontiopharmacosiderite Urea Zincobriartite Share this:TwitterFacebookLike this:Like Loading...