Necklace Size Ajutable 21-35 inch (if range given) *Stone Name Pietersite *Stone Overall Dimension for each bead 55x27x8 mm (2.165x1.063x0.315 inch ) *Weight 490 ct/ 98 g/ 3.456852 oz*Handcrafted knot chainOther Stones used in this Necklace Zebra Agate*Center Stone Properties *Locality Namibia *Appearance opaque *Color Chatoyant Golden Yellow Red and blue *Mohs Hardness 7 *Source Natural *Treatments None *Drilled YES diameter 2.5/36-3/36 inch *Other Names~~~~~~~~~(+) Each step of our Lapidary work is under tight quality control . With the best pattern-color combination possible in mind the initial cut was done by experienced lapidary ... The last-step diamond polishing makes the surface of each bead/cab mirror-like glossy that meet the highest standard possible. Finally only those met all quality requirements are selected. (+) Pictures are taken under light. Each item is enlarged 3-5 times to display the color and pattern details (some also angled) . Stones with transparent or semi-transparent property display its color mixed with background so we take pictures with both white and black background as your reference. Colors in above description are general. Each stone may come with more or less colors as each picture shown. ~~~~~~~~~