While Quark is one of the most celebrated "Vanilla+" mods for Minecraft, it is important to note that it was never officially released for version 1.7.10. The mod began development and saw its first releases for Minecraft 1.9 and later.
Quark Mod 1.7.10 Review
to backport newer vanilla blocks (like granite, diorite, and mossy stone variants) that Quark usually expands upon. World Generation: Recurrent Complex quark mod 1.7.10
Community patches are still welcome—especially for compatibility with GregTech: New Horizons (GTNH), one of the largest 1.7.10 packs. In fact, GTNH 2.4.0+ includes an early version of Quark 1.7.10 by default (under "QoL" mods).
Quark is generally well-optimized and should not cause significant performance issues for most users. However, as with any mod, the overall performance impact will depend on how many mods you're running simultaneously and your system's specifications. While Quark is one of the most celebrated
World & Mobs: Expands underground exploration with unique biomes like the Glimmering Weald and adds passive mobs like the Shiba, which can be tamed to fetch items for you.
Do not use random 9minecraft or similar sites. The only trustworthy sources for the 1.7.10 backport are: Stonelings – Rare little creatures that flee from
If you are looking for a "useful piece" that provides the "what am I looking at" functionality often associated with modern modded setups, you should look for specific utility mods that were the standard for that version: Essential 1.7.10 Utility Mods