Philippine Pearl was declared as National Gem by former Pres. Fidel Ramos though Proclamation No. 905, dated October 15, 1996.
Philippine Pearl, internationally known as the South Sea Pearl, is the oldest valued gem, but unlike other gems, it is derived from living organisms such as shelled mollusks. This hard and ideally round and smooth object is naturally produced and is cultivated or harvested. It is composed of calcium carbonate in tiny crystalline form, which has been deposited in concentric layers.
The largest pearl in the world, the Pearl of Allah or the Pearl of Lao Tze (length: 9.4 inches / weight: 14 pounds) was found in Brooke’s Point, Palawan. It has a value of $40 million dollars according to Guinness Book of Records.