Quartz did not receive a new nugget in the mod, but it did receive a rebalance to its drops based on the tier of tool used on it.
Wooden Pickaxe = 50% chance to drop one nugget
Stone Pickaxe = 1 nether quartz
Gold Pickaxe = 1-2 nether quartz
Iron Pickaxe = 1-3 nether quartz
Diamond Pickaxe = 1-4 nether quartz
Netherite Pickaxe = 2-6 nether quartz