About Jan Dee Jewelry Jan Dee Jewelry the company to "create brand, social service" for the purpose, depending on the to understand and meet customer demand as the foundation, and constantly improve the internal management. We specialize in fashion jewelry and creates elegant jewellery, Products include: pearl jewelry, crystal jewelry, ceramic jewelry, metal jewelry. About Customer Service We always have an eye to good customer service as we receive orders, and continue to create new ideas. If you have any question about order and product, pls send us message. We will reply your message within 24 Hours. About Chalcedony Chalcedony is one of the oldest jade varieties in human history Chalcedony is beneficial to human body go through scientific argumentation. The scientific research found that physical chalcedony atomic arrangement combination structure and the vibration frequency magnetic field and the heart blood circulation can increase the human body, promote metabolism, activate cells, recuperate improvement. Bead Size 8mm: Length Chian about 6.69" ; Bead Size 10mm: Length Chian about 6.88" ; Bead Size 12mm: Length Chian about 7.28"; Bead Size 14mm: Length Chian about 7.67"; Bead Size 16mm: Length Chian about 8.07".
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