Creating an Iron or Diamond Pickaxe. 1  1. Know that to mine diamonds, you need either an iron or diamond pickaxe. 2  2. Create a workbench, or crafting table, if you haven't already. 3  3. Create a wooden pickaxe.  4. Create a stone 1  pickaxe. 5. Build or find a furnace.  6. Build an iron pickaxe.
Isotherm an isogram of the temperature of air, water, or soil. Most commonly drawn are isothermal maps showing mean monthly air temperature over a number of years, mean temperature for any period of time, or the temperature at a definite moment of time.
Isotherm. Isotherms are lines that connect points of equal temperature on weather maps, so at every point along a given isotherm the temperature values are the same. The word originates from Greek, where isos means equal and therm means heat. Isotherms are created from regularly scheduled, simultaneous temperature readings at different locations.