Minecraft wiki entry for Ore, associated text: 21w07a texture comparison.
The now and soon texture comparison of the ores and their deepslate variants (Before 21w08a).
An image showing another texture for deepslate diamond ore which improves on blending the ore texture with the base deepslate.
An image showing new iron and diamond texture.
An image showing another texture for deepslate Diamond Ore which improves on blending the ore texture with the base deepslate.
21w08a texture comparison.
21w10a texture comparison.
Ore distribution in 21w07a.
Ore distribution in 21w08a/21w08b.
Ore distribution in 21w10a.
Ore distribution in 21w18a.