Trinity Candle Factory Premium Scented French Market - Effusion Lamp Oil - 8 oz. Catalytic Lamp / Effusion Oil is for your Lampe Berger, Redolere, La Tee Da, or Stone Wick Lamps. Truly a great product. Trinity Candle Factory's catalytic lamp oil is great for any stone wick lamp assembly. This French Market candle is a special blend of florals with the top notes of gardenia. 100% Satisfaction Guarantee.