Good seller. Fast shipping.
|Dimensions (mm)||19.24 x 17.31 x 9.53mm|
|Weight (carats)||23.52 carats|
Welcome to Khanjee’s Gems. At the khanjee’s Gems we’re passionate about Gemstone. Here you will find the fine quality. We enjoy helping you find the fine quality of gemstones. View our exclusive unique gemstones to select your own special gem.Enjoy the pride that comes with owning fine Gemstones. ~• GET IN SHINE ON •~
Please settle your Invoice within 24 hrs or let us know to hold it for you. After 24 hrs the winnings are subject to Cancel.
Copper-bearing tourmaline from Mozambique was first recovered in 2001, but its Cu content was not recognized until 2003, and it was not widely sold with its Mozambique origin disclosed until 2005. It has been mined from alluvial deposits in an approximately 3 km2 area near Mavuco in the eastern portion of the Alto Ligonha pegmatite district. Most of the production has come from arti- sanal mining, with hand tools used to remove up to 5 m of overburden to reach the tourmaline-bearing layer. The stones exhibit a wide range of colors, typically pink to purple, violet to blue, and blue to green or yellowish green. Heat treatment of all but the green to yellowish green stones typically produces Paraíba-like blue-to-green hues by reducing absorption at ~520 nm caused by the
presence of Mn3+. The gemological properties are typical for Cu-bearing tourmaline (including material from Brazil and Nigeria); the most common inclusions consist of partially healed fractures and elongate hollow tubes. With the exception of some green to yellow-green stones, the tourma-lines examined have relatively low Cu contents and very low amounts of Fe and Ti. Mechanized mining is expected to increase production from this region in the near future.
Your satisfaction is guaranteed, and you will be offered a free hassle return. If you are not satisfied for any reason, just send back the item after you received it. It will take 2-3 days for us to check the items carefully. Refund will be given as soon as the items are in original condition. Customers only need to pay for the shipping cost to return the package.
We do not accept combine shipping for no reserve auction. We offer airmail service 8$ the item will arrive 11 to 24 days. If customer needs fast shipping we also offer DHL which cast is 30$ the item will arrive 3 to 4 working days. We will ship the parcel within 2 working days.
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100% NATURAL GEMSTONES
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12 bids placed so far
The Gemstone Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.
|Starts||24th Nov 2020 12:25am PST|
|Ends||29th Nov 2020 12:25am PST|
|Registered Shipping||$8.00||24 days|
|Standard Shipping - Tracked||$8.00||27 days|
|Shipping Insurance all providers $20.10 (optional)|