After choosing your oil, or oils, mix them up as you please, just use a Q-tip or your finger to rub oil onto the surface of the crystal. It’ll take a couple minutes before all the oil gets absorbed, so leave it alone. Keep adding oil until the crystal won’t absorb any more.
Box size: 8.75x7.5cm/ 3.44x2.95''
Volcanic rock weight: About 200g
Crystal stone weight: About 230g