Germanium's semiconductor properties began being utilized in electronic military devices during World War II. It has since been largely replaced by much cheaper silicon for this purpose but is still used extensively in fiber optics, infrared systems, and as a polymerization catalyst which consumes most of its worldwide production. The United States government deemed it a critical material in 1987 and added it to the national defense stockpile. Please see the below links for more information.
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.