Eucalyptus essential oil-
Latin name:  Eucalyptus globulus
Extraction method:  Steam distilled
Parts used:  Leaves and twigs
Countries of Origin:  Australia, China, Spain, Portugal, South Africa, Chile.
Perfumery note:  Top
Point of interest:  Eucalyptus Ironbark is the strongest wood known to man.  75% of all Eucalyptus is indiginous to Australia.  E.globulus is often rectified due to an unpleasant odor after distillation.  Rectifying the oil eliminates this odor.  
Color:  Light to greenish yellow.  
Aroma:  Herbaceous, camphoraceous, due to the 1,8 cineole component.  
Properties: Contact an aromatherapist.  
Energetics:  Chakras-all.  TCM-clears lung phlegm and wind heat. (Battaglia)  Mojay-tonic for Lung Qi.  Holmes says eucalyptus strengthens Yang and tonifies the lung and heart Qi. and strengthens the Shen.  Eucalyptus has a strong affinity for the Metal Element.  
Blends well with:  Benzoin, Coriander, Juniper, Lavender, Lemon, Lemongrass, Melissa, Pine, Thyme to name a few.  
Mode of application:  Bath, inhalation, steam inhalation, diffuser.
Safety information:  Can cause breathing difficulties in small children due to the 1,8 cineole compound.  Can also cause CNS depression.  Do not apply or diffuse around the face of infants, toddlers or children under the age of 10.  Max dermal use is 20%  Keep this and all oils out of the reach of children.  Known fatalities have occured with ingestion in children. (Tisserand & Young)  Make sure your bottle has an orifice reducer.  Do NOT use this oil internally.  Use with caution around children under the age of 10.
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.