Below, you can find the full FFXIV: Heavensward item info for the Celestine item. This item is a Stone and is usually a crafting material or the product of a craft. Sometimes it can be dropped from a monster or found in a chest.
Metal Ore Stone Gemstone Parts
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Celestine |
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Stone Level: 1 |
Item Level: 133
NPC:  18 |
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A light-blue crystalline mineral which, when ground and added to any flammable material, will cause it to burn red. |
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