minetest.register_ore({
ore_type = "scatter",
ore = "abri:stone_blue_with_azurite",
wherein = "abri:stone_blue",
clust_scarcity = 15 * 15 * 15,
clust_num_ores = 4,
clust_size = 3,
y_min = -31000,
y_max = -1000,
})