MKNAZ Material: natural crystal cluster, rough and raw. shape: irreguar, freeform. Due to the crystals are , the crack or chipped will be normal,the sizes and colors of them are different with each other, we will send what we have by random. Clusters are wonderful for crystal grids,massage,reiki,display,protection,fengshui,home decor,collection,curios cabinet, wirework,absorb negative ,changing bad vibrations,expanding the mind.Metaphysical properties:symbolizes wisdom, deep love, devotion, peace of mind balances emotional highs and lows ,used to calm anxiety amplifies creative vibes. Use for:,massage,reiki,display,protection,fengshui,absorb negative ,changing bad vibrations,expanding the mind. Material:bismuth crystal,crystal cluster, crystal Shape:Irregular,Freefrom. Iridescent man-made specimen,triagonal crystal structure,the iridescent rainbows of colors observed are caused by light scattering off thin layers of bismuth oxide formed when the surface of the hot bismuth reacts with the air. Use, which makes them and especially precious. If you have questions about your items, us, we will provide you with a professional answer within . [ note]: The size,color and appearance of them are different with each other, we will send what we have by random. 5. We hope you like it. 4. That's what they say about being in a happy mood and doing everything smoothly. 3. Placing crystals in your home can bring a good mood. 2. Our crystals make ideal gifts for loved ones, or just to treat yourself!. 1. Please be aware that natural crystal stones are taken from nature and cannot be identical.