Polished Pocket Size Dumortierite Hearts Uniqueness Guaranteed: Every item is one-of-a-kind, making them ideal for all projects or designs. Listing is for (1 Piece) Avg Size Range: (2 to 2.5 Inches) Sizes Vary Material Origin: (India) Often mistaken for sodalite and lapis lazuli, dumortierite is an aluminum and boron-rich mineral that tends to grow in long fibrous crystals. Normally blue or brown, dumortierite can turn green, violet, or even pink as aluminum is replaced with iron or other elements in the crystalline structure. Dumortierite mostly sees use in high-quality ceramics and porcelain, and as a color substitute for lapis lazuli in jewelry. Custom Requests: Have specific preferences? Leave a message with your order, and we'll do our best to accommodate your requests if possible. Handmade items vary in size, shape, and color when selected randomly (the highest quality items are chosen first). They'll be as beautiful as those in the photos.