Description Please ask any questions prior to purchasing if you're unfamiliar with the item Simply Choose the size you need from the drop down list above Sizes 5x3mm & 6x4mm are sold in lots of 2 All other sizes are sold by the piece Alexandrite Color Lab Created Sapphire General properties: Chemistry: Al2O3 Thermal properties: Melting point 2046°C Physical properties: Hardness (Mohs scale): 9 Crystal structure: triagonal Purity - 99.99% alexcoro Our Terms of SaleBy Purchasing our Item(s) your are in Agreement to our Terms below (please review) If you have any questions, please ask prior to bidding.Please do not pay for your items separately if you wish to combine.You can combine Additional Items for FREE for 14 days from your first win as long as you follow our combining rules.Items can take up to 24 hours from the auction ending to combine.Do not pay for your items separately if you wish to combine.Once you pay, no further items may be combined on that invoice. We work hard to ship your items as quickly as possible Please remember we are not the Postal Service. Please don't hold us responsible for their slow delivery of your item(s) once we hand it to them. Keep this in mind when leaving us DSR's. The customer is responsible for providing a complete and accurate address on their order. If your package is returned to us Undeliverable as addressed -No Forwarding Address, Incomplete Address or refused by customer will be treated as a return.Combining ItemsPlease wait to pay until all your items are combined and your shipping charge on your invoice is correct. Message us if your invoice is not correct prior to making payment.Once you pay no further items can be combined on that particular invoice.ReturnsWe accept returns up to 30 days from the date you receive the item(s).If you qualify for free shipping and return anything that makes your total sale go below $50. our standard shipping charge will be deducted from your refund. We don't accept the following for refund. Any Setting which you've attempted to set. Any Setting you damage attempting to set. ie. broken, twisted prongs. etc. All items must be in their original baggies or packaging and in the condition you've received it. Received Damaged ItemJammingGems.com does not ship Damaged items. If you item is damaged in shipping you must contact us within 7 days of receipt of your item(s). Keep all your packaging. Throw nothing away as you may need it for the claim. Contact us from the link on the item or through your MyEBay page, with URGENT in the subject and we will help you take care of your claim. Please be patient as the hands of the Postal Service does not work quickly on a claim.Item Not ReceivedPlease check your My eBay® page for the delivery confirmation number. There's one on every package we ship. Also check your Email inbox and spam folder, as we sent you an email with all your delivery confirmation information the day we shipped your item. Our office hours: 10-4 central time (m-f) We can always be reached though eBay Messaging.We are closed Weekends and Holidays. The post office does not consider a package lost for 20 business days past the ship date. Prior to this amount of time there isn' t much we can do, as far as a claim goes. We have had many items, over the years, show up on the last day prior to being able to file a claim. Good news, they lose very few packages a year. On average they only lose 1 of our packages a year Please be patient as once we hand it to them, it is out of our control as we rely on them to make the deliveryTaxes - DutyTN. Residents must pay 9.25% Sales Tax. Customers outside of the USA are responsible for any import duty, taxes, or fee's associated to the delivery of your package. Please note: International customers if you refuse your package because of the cost of the duty and it is returned to us, it will treated as a return. You can review our return policies aboveAbout UsWe are a US Family business, having sold our items at hundreds of Gem and Jewelry Shows throughout the USA. Our items are always as described and pictured. We stand behind our items 100% and will do everything we can to make you're purchase with us an enjoyable one. We work hard for your positive feedback. Please contact us if you have any issue with our product or service prior to leaving a neutral or negative feedback so we may have a chance to take care of it.