Jacob Gates C-2 5 questions about minerals How many states of quartz are there? 3 ( Macrocrystalline, Quartz Microcrystalline Quartz, and Cryptocrystalline Quartz What are the most abundant minerals? The most common abundant on earth are Bridmanite, Quartz, Sandstone, Feldspar, and Olivine. How do minerals harden? With Pressure change and heat. How do minerals mix? The break down with erosion and form into new rock, sometimes a Conglomerate How many mineral types are there? There are well over 4,000 officially recognized mineral species and as many as a hundred new ones are described each year.