At 85 degrees F they only lose about 5 percent per year, but at 100 degrees they lose 25 percent per year. So if you live in a very hot climate or are storing your batteries in a very hot location, it may be worthwhile for you to store your alkaline batteries in a refrigerator instead.
What is a Diamond? A diamond is a crystal which is composed of the element, carbon. In nature, diamond crystals display a crystal habit, but often the crystal shape has been rounded or abraided during emplacement. Diamonds typically occur in a rock called Kimberlite and in related cousins (Lamproite).
Diamonds are usually level 16 and bedrock, and is near lava a lot. I have found that in abandoned mine shafts there's some by lava especially. And iron is usually everywhere, even above the ground. So that means it doesn't have to be in caves or holes.