Ember Mining

When you mine certain blocks, they have a small chance of dropping embers.
Here are the chances for certain blocks of embers dropping:

Logs (Crimson Stem, Stripped Dark Oak Wood, Cherry Wood, Mangrove Wood, Stripped Spruce Log, Stripped Spruce Wood, Warped Hyphae, Birch Log, Stripped Mangrove Wood, Stripped Crimson Stem, Stripped Cherry Wood, Stripped Warped Hyphae, Stripped Acacia Wood, Oak Wood, Mangrove Log, Stripped Birch Wood, Stripped Cherry Log, Dark Oak Wood, Stripped Birch Log, Stripped Crimson Hyphae, Stripped Jungle Wood, Jungle Log, Warped Stem, Stripped Warped Stem, Oak Log, Stripped Oak Wood, Dark Oak Log, Stripped Dark Oak Log, Stripped Mangrove Log, Birch Wood, Cherry Log, Spruce Wood, Acacia Wood, Jungle Wood, Stripped Jungle Log, Crimson Hyphae, Spruce Log, Stripped Oak Log, Acacia Log, Stripped Acacia Log): 1/200
Ores (Deepslate Gold Ore, Nether Quartz Ore, Deepslate Lapis Ore, Coal Ore, Gold Ore, Deepslate Emerald Ore, Nether Gold Ore, Lapis Ore, Deepslate Copper Ore, Deepslate Redstone Ore, Deepslate Iron Ore, Emerald Ore, Deepslate Diamond Ore, Copper Ore, Iron Ore, Deepslate Coal Ore, Diamond Ore, Redstone Ore): 1/200
Pumpkins, Melons: 1/200
Tuff, Deepslate: 1/400
Stone (Stone, Andesite, Granite, Diorite): 1/800

The blocks mined must be naturally occurring, also to prevent potential abuse,
the amount of embers that can be mined per day per player is capped at 100.

See also: Fishing Rewards