There is no single burning point or ignition temperature for coal as various types and origins of coal may exhibit different combustion characteristics. The burning point can be influenced by factors such as coal composition, particle size, moisture content, and environmental conditions during combustion. However, as a general range:

1. Lignite and sub-bituminous coal, which are generally lower in rank and have higher moisture content, may ignite at temperatures as low as 300 to 400 degrees Celsius (572 to 752 degrees Fahrenheit) or even lower under certain conditions.

2. Bituminous coal, a commonly used type of coal higher in rank and with lower moisture, typically ignites within a range of 400 to 600 degrees Celsius (752 to 1112 degrees Fahrenheit).

3. Anthracite coal, which is harder and has a higher carbon content, generally requires higher temperatures to ignite and usually burns at temperatures between 600 and 800 degrees Celsius (1112 to 1472 degrees Fahrenheit).

However, these temperature ranges are approximate and can vary based on specific coal compositions and environmental factors affecting combustion processes.