An enormous chunk of shimmering opal, resplendent in it's square-shaped majesty. You could never build a house out of opal in the real world, which is just one more reason why Growtopia is so much cooler.
Opal Block price in Growtopia: sells for about 40 WL (median of 1 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: OUXQ