Architect's Palette adds many new blocks. They are awesome and look super cool. The recipes are generally balanced to be survival friendly, with high yields and common ingredients. There's a config and Quark support. The mod is good I swear.

Off the top of my head, there are blocks like...

• Fish blocks with scales
• Industrial metal plating
• Bricks made of bones, and a dark set made of withered bones
• Glowing crystals growing in the Nether
• Stone bricks made with ores, which the artists want to get rid of, but the community is oddly attached to so they're in a strange purgatory where we can't really get rid of them but really don't want to support them which is why there isn't a copper variant (please don't ask for a copper variant)
• Brick variants of some blocks that don't have brick variants (like basalt)
• Charcoal blocks made by smoking logs (in a smoker), much to the distaste of everyone who has ever seen the recipe.
• Original materials like Sunmetal, Olivestone, Cerebral Plating, and Abyssaline
• "Mossy" (Nether vine-y) Blackstone variants that were also implemented in Quark (we did ours first)
• A new crafting mechanic to facilitate some weirder materials such as Esoterrack and Twisted trees (it shows up in JEI and is datapack friendly)
• Incredible Board blocks that are just big planks
• Nubs, a new block shape used for shape detail in builds
• Incredible Heavy Bricks that are just big bricks
• Cute Acacia totems