Spectral color gems mined only in Finland: Silver tie tack of spectral light. A breathtaking beautiful and profound cobalt - peacock blue flash · A stone that attracts people strangely with the charm of no other jewelry. Depending on the angle at which light enters, the way you see the blue, the depth of the color changes, pulling in the viewers. Simple and easy to use design. size: diameter: 0.9 cm Silver around the stone is sterling silver, the bottom is 925 silver. Tie Tack comes with a hook metal fitting to chain and shirt button. ◇ If you want to use an angel other than a necktie, instead of a tie-tack bracket It is also possible to send a pin broach catch. Please contact me by message ◇ ◇ ◆ ◇ ◆ ◇ ◆ Sae + Sumi Koru spectral lights are all located at the Juramar mine site in Finland I use what I purchased. Only those collected in Finland formally "Spectral light", and what was collected in other production areas is not a spectral light even a beautiful Labradorite. Like a flying stone, deep color with wisdom. It is one of the attractions of this gem that let's see how colors appear depending on the angle of light hit. ☆ If you are concerned about accidents during delivery, delivery with guarantee Delivery method: Yamato Takkyubin or Please select a Yu-Pack. ☆ If you would like gift wrapping, letter pack plus, Yamato Takkyubin, Yu-pack Please choose one (for thickness limit of the box) ☆ Copy right 2015 - Sae + Sumi Koru all right reserved. All works are protected by copyright law.