Just decided to make a little list including every symbol that can be found on the RS3 minimap.
It's split over 3 posts due to the 40 image embedded limit on a separate post.
MM_SYMBOL_SHOP_ARCHERY = 0;
MM_SYMBOL_SHOP_AXE = 1;
MM_SYMBOL_SHOP_CANDLE = 2;
MM_SYMBOL_SHOP_CLOTHES = 3;
MM_SYMBOL_SHOP_COOKERY = 4;
MM_SYMBOL_SHOP_CRAFTING = 5;
MM_SYMBOL_SHOP_FARMING = 6;
MM_SYMBOL_SHOP_FISHING = 7;
MM_SYMBOL_SHOP_FOOD = 8;
MM_SYMBOL_SHOP_HUNTER = 9;
MM_SYMBOL_SHOP_KEBAB = 10;
MM_SYMBOL_SHOP_MACE = 11;
MM_SYMBOL_SHOP_MAGIC = 12;
MM_SYMBOL_SHOP_PET = 13;
MM_SYMBOL_SHOP_PLATEBODY = 14;
MM_SYMBOL_SHOP_PLATESKIRT = 15;
MM_SYMBOL_SHOP_SCIMITAR = 16;
MM_SYMBOL_SHOP_SHIELD = 17;
MM_SYMBOL_SHOP_MINING = 18;
MM_SYMBOL_SHOP_SWORD = 19;
MM_SYMBOL_SHOP_STAFF = 20;
MM_SYMBOL_SHOP_SUMMONING = 21;
MM_SYMBOL_STALL_SPICE = 30;
MM_SYMBOL_STALL_GEM = 31;
MM_SYMBOL_STALL_SILK = 32;
MM_SYMBOL_STALL_SILVER = 33;
MM_SYMBOL_TREE = 40;