The Australian share market has finished lower, ending a lacklustre week on a down note ahead of a raft of economic data due from China.

The benchmark S&P/ASX200 index closed down 19.6 points, or 0.29 per cent, to 6,696.5 points at 1200 AEST on Friday, while the broader All Ordinaries was down 17 points, or 0.25 per cent, to 6,788.8.

The Aussie dollar is buying 70.00 US cents, from 69.74 US cents on Thursday.