The front/top of this dense matrix is covered with botryoidal azurite, which, in turn is largely coated with transluscent crhysocolla. Some of the botryoids are green malachite. Sorry, only locality data I have is Zaire. Interesting piece!
Note: All prices are in Canadian dollars (CAD). International customers are charged in CAD, exchange rate is calculated automatically by your bank/paypal upon checkout.