What you are buying here is 100g powder Long Gu (Ossa Draconis)Drgonsbones Drgon"s Bone，Fossilizid NamingLong Gu (Ossa Draconis)--Shen Nong Ben Cao Jing (Shen Nong"s Herbal)OriginThe ossature fossil of ancient times mammal.LocationShanxi, Henan provinces and Inner Mongolia Autonomous Region and so on in China.HarvestDug in any time, but abided by rules.The actual smell and tasteNo bad smell, no taste.Best qualityBest one is Wu Hua Long Gu which has strong hyposcopicity, yellowish white colour also with blue-grey and reddish brown figure inside, crispness and delamination.ProcessingRemoved impurity, stored in dry place; smashed; unprocessed or calcined.PropertySweet, astringent, neutral; liver, heart and kidney meridians entered.ActionsInduce sedation and tranquilization, pacify liver and subdue yang, arrest and astringe discharge.IndicationsA. Unsteadiness of heart-mind, convulsive epilepsy, mania-depressive psychosis Being sweet and neutral in property and with heavy weight, it can induce sedation and tranquilization, so it is the key herb for settling tranquilization. It can be indicated for unsteadiness of heart-mind caused by various reasons. For unsteadiness of heart-mind, palpitation, fearful throbbing, insomnia and dream-disturbed sleep, it is often combined with tranquilizing herbs.