We primarily handle high-quality materials. Please see the list of works below. #symcredo October Birthstone: Ethiopian Opal (Welo Opal) This is a simple necklace that combines high-quality Welo opal with a transparent base and beautiful play-of-color effects, and an elegant flat cable chain. This is a mysterious stone that shines with various colors such as red, green, and orange depending on the angle of light. The soft silver color further enhances the transparency of the opal. ◆ Features ・High-quality natural stone Carefully selected gem-quality opal from Welo, Ethiopia. The transparent base and vivid play-of-color are attractive. Please enjoy the unique characteristics of natural stones (differences in play-of-color and fine cracks). ・Adjustable chain The flat cable chain with a slide ball allows you to freely adjust the length (up to 45cm). The light design fits well with the skin and is easy to match with both casual and formal styles. ・Safe materials Silver925 with rhodium finish, which is resistant to discoloration and is also considerate of allergies. ◆ Work Materials Natural Stone: Ethiopian Welo Opal (October birthstone) Approximately 8 x 6mm (oval cabochon) Necklace/Stone Frame: Silver925 (rhodium finish, nickel-free) ◆ Size Chain Length: 45cm (adjustable with slide ball) Chain Type: Flat cable chain Chain Width: Approximately 1.0mm ◆ Opal's Stone Words "Hope," "Purity," "Creativity" Opal, which shows different brilliance every time it receives light, is said to bring out the charm of the wearer and give positive energy. ◆ About Packaging We will deliver it in simple packaging. We will carefully wrap it with gift box wrapping (+300 yen). Material...SV925