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 (Cherry Wood, Acacia Wood, Stripped Acacia Wood, Cherry Log, Stripped Birch Wood, Stripped Spruce Wood, Stripped Spruce Log, Stripped Pale Oak Wood, Stripped Pale Oak Log, Jungle Wood, Stripped Mangrove Log, Mangrove Log, Stripped Acacia Log, Birch Wood, Pale Oak Log, Stripped Cherry Log, Jungle Log, Spruce Wood, Birch Log, Stripped Warped Stem, Warped Hyphae, Pale Oak Wood, Stripped Jungle Log, Stripped Dark Oak Wood, Oak Wood, Crimson Stem, Warped Stem, Spruce Log, Stripped Warped Hyphae, Stripped Oak Wood, Dark Oak Log, Stripped Oak Log, Oak Log, Stripped Dark Oak Log, Stripped Jungle Wood, Mangrove Wood, Stripped Mangrove Wood, Acacia Log, Stripped Crimson Stem, Stripped Cherry Wood, Stripped Birch Log, Stripped Crimson Hyphae, Crimson Hyphae, Dark Oak Wood): 1/200
Ores (Diamond Ore, Deepslate Iron Ore, Nether Quartz Ore, Deepslate Diamond Ore, Deepslate Emerald Ore, Deepslate Coal Ore, Deepslate Gold Ore, Iron Ore, Copper Ore, Deepslate Lapis Ore, Gold Ore, Emerald Ore, Lapis Ore, Nether Gold Ore, Deepslate Copper Ore, Coal Ore, Redstone Ore, Deepslate 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