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Welcome to IC_Stone!!! Good luck!!!
Tantalum-niobium is the only one that specializes.
Welcome to the shop
Name
TOP!!!New Find Rare Natural Tantalum-niobium Ores Specimen Xinjiang
Material
Natural Tantalum-niobiumCrystal
Weight
Approx 141.7 g
Size
Approx 3.31*1.56*1.31 inch
1.All the items are shooting in the natural light,you can view it in the pictures. The pictures are taken from different angles. Please be assured the purchase.
2.Color may very slightly due to the color calibration of each individual monitor!
Item Explain
The content of tantalum in tantalum-niobium ore is as high as 60%.Tantalum-niobium ores refer to terrestrial minerals containing tantalum and niobium. There are more than one hundred species. Among them, tantalum, niobium and pyrochlore are the main minerals that can be mined. Tantalum (Ta) and niobium (Nb) are rare metals with high melting point (tantalum 2996℃, niobium 2468℃), high boiling point (tantalum 5427℃, niobium 5127℃). They have steel-like appearance, gray gloss and dark gray powder, and have the characteristics of gas absorption, corrosion resistance, superconductivity, unipolar conductivity and high strength at high temperature. It is used to prepare tantalum oxide and niobium oxide, and to extract tantalum and niobium. Grade analysis can be carried out quickly by a special wave-sonic ore analyzer for tantalum-niobium ores.
Friendly reminder
All sale-style items with $0.01 start price and free shipping, will be shipped by air(7-30 days), no parcel tracking number. if you still not receive the item 40 days after you paid, please tell me , I will refund your money .
Lost/Damages: If a package is lost or damaged, Please report the problem immediately. A replacement or credit will be given.
Shipping Method: this item will be shipped free by Air(7-30 days) , If toUSAwill be shipped free by EUB(7-30 days).
If more than 40 days didn\'t get your item, please contact us. We will check the transportation information. Any other questions, please feel free to contact us, we will be pleased to serve you at any time.
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