Rosemary has been used extensively in magic spells and formulas since ancient years and it has been famous for its cleansing and protective qualities. It still remains one of the oldest incenses along with Myrrh and Frankincense and is burned in Cleansing and Spell Breaking rituals.
SAGE AND INCENSE: Sage is another wonderful energy cleanser. You simply run your crystals through the smoke or waft the smoke over your crystals. This method also cleanses any of the areas around your house. If you do not have a stick of sage available incense work also.
∆ Incense...Herbs: How To Burn Resins on a Charcoal Disc... experiment with it until you find the amount you like. Some people also prefer to do it this way because there is more smoke, so you can divine the future with the smoke easier.
Great info on Frankincense oil .... not a source from Ameo, but good info nonetheless! Remember not all oils, even by name, are created equal. Do your research. There is a lot of good information on how to know what is clinical grade and what is not. Be informed.