Mostly white with very dark green patterns.
[INORGANIC:SHELL OPAL]
[USE_MATERIAL_TEMPLATE:STONE_TEMPLATE]
[MATERIAL_VALUE:10][DISPLAY_COLOR:7:7:1][TILE:15][IS_GEM:shell opal:STP:OVERWRITE_SOLID]
[BASIC_COLOR:7:0]
[ENVIRONMENT:ALL_STONE:CLUSTER_SMALL:10]
[SOLID_DENSITY:2115] Common to opals. Range is 1980 - 2250
[STATE_COLOR:ALL_SOLID:IVORY]