Beautiful K9 crystal facet cut, 40mm, 83g glass material. - Material: K9 crystal - Cut type: Facet cut - Size: 40mm - Weight: 83g - Facet cut is a technique that makes gemstones shine beautifully by applying a polyhedral cut. - I couldn't take good photos, but holding it in your hand and looking at scenery or objects will make one thing appear as multiple.