Producing Countries: Rubelite deposits are found in pegmatites and alluvial deposits. The most important supplier is Brazil (Minas Gerais, Paraíba and Rio Grande do Norte). The main mine in Brazil is located in the municipality of São José da Safira, MG and is called Mina do Cruzeiro. There are deposits in Madagascar, Mozambique, Nigeria, Afghanistan among others.

Common Shapes: Oval, drop and antique are the most common. As rubellite is usually found in nature with many inclusions, it is avoided to cut it in rectangular or square format, as the cracks and needles become are more visible. For this same reason, it is cut many times in cabuchons.

Usual Treatment: irradiation, usually by gamma rays, strengthening pale colors to red; it is also common to use colorless oils and resins to improve transparency.