Thank you for viewing! (・̑◡・̑) We mainly deal with natural stones here. Since natural stones are natural, they may contain cracks, chips, and black inclusions. Please understand this before purchasing (・̑◡・̑). This is a round cut of apatite, approximately 3mm, in a deep blue color. It's an affordable apatite, so there may be some inclusions. Please understand this before purchasing. It's recommended for designs where 4mm might feel a bit too large. It's a standard size for 3mm stones. Approximately 9cm worth, about 30 beads, for 400 yen. Shipping via regular mail is 110 yen. ※Shipping Costs※ If you purchase multiple items, we will create a dedicated listing for you. The cost will be the stone price plus the following: Under 1000 yen: Regular mail shipping, 110 yen. 1000 yen or more: Mercari shipping, 210 yen. 5000 yen or more: Completely free shipping. Since postal deliveries have become significantly slower since 2021, we recommend using Mercari shipping. Thank you for your understanding. Purchasing multiple items together is definitely a better deal (*^ω^*) Please let us know in the comments section, and we will create a dedicated set for you ( ´ ▽ ` )ノ