R

Ralstonite


Ramsbeckite


Ramsdellite


Rankachite


Raspite


Rathite


Realgar


Red beryl


Reichenbachite


Rhabdophane


Rhodochrosite


Rhodonite


Rhönite


Richelsdorfite


Riebeckite (Amphibole Supergroup)


Ripidolite


Robertsite


Rockbridgeite


Roedderite


Romanèchite


Rosasite


Roscherite


Roselite


Rubellane


Rubellite (Tourmaline Group)


Rutile