Pendant size: 4.5 x 3.5 cm Pendant hole: 2 mm We offer sets of chains with a thickness of 0.4 mm & front bails (reference K3) compatible with our pendants as an option. Note that Carnelian, Red Jasper, and Indian Agate may vary in color depending on the pendant. Here is the list of origins: * Tiger's Eye: South Africa * Rose Quartz: Brazil * Black Obsidian: Mexico * Green Aventurine: Brazil * Rock Crystal: Brazil * Multicolored Carnelian: Brazil * Red Jasper: South Africa * Indian Agate: India * Unakite: South Africa * Yellow Calcite: Madagascar * Heated Turquoise Howlite: The natural base often comes from the United States or Canada. * Sodalite: Brazil, Namibia, Canada * Synthetic Opaline: China * White Agate: Brazil, Uruguay, India.