Ores

Ores in Matcha Flavoured are mostly renamed vanilla ores, some with new drops or generation. Emerald ore becomes native silver, lapis ore splits into quartz deposits and natural lapis lazuli, and redstone ore becomes sulfur. Adamant tools smelt most ore drops; electrum tools add Fortune.

Ore	Vanilla block	Drops	Generation
Coal Deposit	Coal Ore	1–2 coal (2–4 from the deepslate variant), affected by Fortune and electrum	As vanilla, plus large veins (size 17, 30 attempts per chunk) between the world bottom and y=0 under deserts.
Native Copper	Copper Ore	1–2 raw copper (2–5 from the deepslate variant); adamant tools drop copper ingots	As vanilla copper ore.
Hematite	Iron Ore	1 raw iron (vanilla table; 2 from deepslate hematite, where adamant tools drop ingots)	As vanilla iron ore.
Native Gold	Gold Ore	1 raw gold; adamant tools drop a gold ingot. Needs an iron or better pickaxe	As vanilla gold ore.
Native Silver	Emerald Ore	1 raw silver; adamant tools drop silver bullion	In mountain biomes the vanilla emerald feature runs at 50 attempts per chunk (vanilla 100), plus 5 deep attempts; every other overworld biome gets 3 deep attempts, and the deep dark gets both. Deep veins follow a triangle from y=16 down to the world bottom, most common at the bottom.
Quartz Deposit	Lapis Lazuli Ore	2–5 quartz; adamant tools drop glass	The vanilla lapis feature, changed to 12 attempts per chunk (vanilla 2) between y=−32 and y=96.
Natural Lapis Lazuli	Deepslate Lapis Lazuli Ore	4–9 lapis lazuli (vanilla table)	The deepslate part of the quartz deposit feature, plus the vanilla buried lapis veins.
Sulfurous Quartz Deposit	Redstone Ore	1 sulfur chunk and 2–3 quartz	As vanilla redstone ore; the deepslate variant is the sulfur deposit.
Sulfur Deposit	Deepslate Redstone Ore	1–2 sulfur chunks	The deepslate part of the vanilla redstone feature.
Diamond Ore	Diamond Ore	raw diamond, affected by Fortune and electrum; adamant tools do not smelt it	As vanilla.
Gilded Hellstone	Nether Gold Ore	2–6 gold nuggets; adamant tools drop a gold ingot. Can be blasted into a gold ingot	As vanilla nether gold ore in Hell.
Sulfurous Hellstone	Nether Quartz Ore	1–2 sulfur chunks	As vanilla nether quartz ore in Hell.

Worldgen changes are in the biome overrides and worldgen/placed_feature; biome details are on Biomes.