Clove essential oil-
Latin name:  Syzygium aromaticum
Extraction method:  Hydro or steam distillation
Parts used:  Dried bud.
Countries of Origin:  India, Madagascar, Indonesia
Point of interest:  Native to Moluccas.  Used in China to sweeten the breath and ease toothache. (Battaglia) 
Perfumery note:  Base.
Color:  Clear to yellow.
Aroma:  Sweet, spicy, woody.
Properties:  Contact an aromatherapist
Energetics:  Chakras-Crown, navel, solar plexus, third eye.  TCM-
Blends well with:  Basil, Benzoin, Black Pepper, Cinnamon, Citronella, Grapefruit, Jasmine, Lemon, Nutmeg, Orange, Peppermint, Rose, Rosemary, Ylang Ylang.  
Mode of application:  Massage-very dillute as could cause skin irritation.  Topical-salve or ointment.  Inhalation, diffuser.  
Safety information:  Dermal irritant.  Max dermal is 0.5% (Tisserand & Young)  No contraindications known.  Clove oil is toxic at high doses i.e. 0.5 mg/kg.  May cause CNS depression, liver damage, seizures.  DO NOT TAKE INTERNALLY!.  Keep away from children.  
Disclaimer: This information is intended for education purposes only and has not been evaluated by the FDA. This information may not be complete or fully accurate. This information is not intended to cure, diagnose, prevent or treat disease.  As with all essential oils, always dilute prior to using topically and please perform a skin patch test prior to using. Essential oils, if used internally, should be under the direction of a qualified practitioner in Aromatic Medicine. Always seek the advise of a qualified, trained aromatherapist. Don't ever hesitate to ask about the education of the Aromatherapist.  Keep out of the reach of children.