This crystal is not yet in balance. Perhaps if you place it in the bosom of its Earth Mother, and then join it with 4 other crystals, it can achieve harmony.
Blue Crystal price in Growtopia: sells for about 7 WL, buyers pay about 4 WL (median of 431 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: TAUREXSELL, ZUPRC, ZAAFY, PTTN, CREKNO