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30mm Nylon Silkon
Temperature Response Time: 1℃ / 10sec
shielding interference and continuity test can be 50Ω
For closing snap on watch case backs or indeed watch glasses
Carat Weight (ct): 25
7.47ct Pear Tanzanite 14.9x10.9mm Presentation Boxes 30mm Nylon SilkonThe origin of the name Tanzanite comes from the country in which it was first discovered, by Tiffany and Co in 1967, and is the only known source of the stone: Tanzania. Tanzanite belongs to the zoisite species and it comes in striking purplish blue to blue hues. Tanzanite is the birthstone for December. Mohs Scale of Hardness: 6. 5 Sources: Tanzania.; Stone Size: 14. 93x10. 93; Carat Weight (ct): 7. 47