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