According to a former heroin abuser in Ireland, the following information is the street prices of illegal drugs available for sale on the black market of Ireland.
Cocaine: High quality cocaine sold for €100 ($138) per gram.
Ecstasy: €5 ($6.93) per tablet, or 10 ecstasy tablets for €40 ($55).
Heroin: A bag of heroin that is filled with 0.3 grams of heroin is sold for €20 ($27). The price to buy 2 grams of heroin is €100 ($138).
Marijuana: Poor quality cannabis resin is reportedly sold in 7 gram batches, which is available for purchase for €25 ($34). Marijuana weed is sold in 6 gram units, which goes for €100 ($138).
Prescription drugs: 2 milligrams Xanax bars sold for €3.50 ($4.85) for each tablet.
(See all of reported data about the black market here.)
Source: User submitted data, received on April 1, 2014.