Niobium metal ingot - one troy ounce - .9995 bullion
Niobium (aka Columbium) has a very high melting point yet low density and is corrosion resistant. It is has the largest magnetic penetration depth of any element, has superconductive properties, and a low capture cross section for thermal neutrons. These unique physical properties make it useful in superalloys used in the steel, aerospace, shipbuilding, nuclear, electronics, and medical industries. Approximately 90% of world niobium production comes from Brazil which means it could be subject to supply disruptions. Please see the below links for more information.
Inscribed on our ingots are the chemical symbol (Nb), purity (99.95%), weight (one troy ounce), and a serial number (this number is unique and will vary). On the reverse is our logo. We think you'll like to more coin-like dimensions of our latest batch of niobium. They are lightly polished similar to the one pictured. As we suggest with all of our metals please store them in a safe place, do not ingest, and keep them out of the reach of children.
Each ingot will be shipped with an assay certificate and every shipment will include our velvet logo bag. If you are not completely satisfied with any purchase from us, you have 30 days to return it for a full refund (buyer to pay return shipping). Domestic shipping is free for all orders over $99 (enter code free shipping at checkout). For orders of $99 or under, domestic shipping is $9.95. International shipping is via DHL, FedEx, or USPS international express and costs $45 for shipments up to a pound (9 one ounce ingots or less including packaging materials) and $10 for each additional pound. International customers please be aware that your country may levy import duties and/or VAT taxes on your purchase from us. We have nothing to do with this and cannot pay it for you. If you refuse our package because of this extra cost we will take it back and will refund your order in full once received minus the cost of the return shipping. If you are unsure what these import costs will be please check with your country's customs office.
http://en.wikipedia.org/wiki/Niobium
http://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth%27s_crust
http://www.quantumrareearth.com/about-niobium.html
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