Actinium now is mined on the Lyra2z algorithm! 

Block reward:  40 ACM
Average block time:  2.5 minutes
Difficulty algorithm:  Dark Gravity Wave v3 - Difficulty adjustments after each block

Exchanges:
https://tradeogre.com/exchange/BTC-ACM
https://bitfex.trade/en/ACM/BTC

Pools:
https://goldmine.actinium.org/
https://hive.gulfcoastmining.com/
https://minpool.net/
https://weekendpool.info/
https://fairmine.pro/
https://www.smilingmining.com/