These are large beads, approximately 13mm in size. They are rainbow moonstones from Madagascar. They have a glossy, flowing, highly transparent crystalline structure, and they shimmer from every angle. They sparkle with strong, seven-colored iridescence♡ Perfect for your handmade projects! Get 50 yen off for every 2 items purchased, so please take advantage of this offer♡ To prevent any issues: These natural stones may have natural cracks, scratches, chips, and inclusions, which are characteristic of natural stones ◡̈⃝︎⋆︎* There will inevitably be an error of about plus or minus 0.5mm, so the size is listed as approximately ○mm♪ They are not perfect like artificial glass, so please understand this before purchasing ◡̈⃝︎⋆︎*