Will my faucet holes be predrilled before installation?

We are trying to do all the fabrication in our shop to reduce the amount of dust on the jobsite. If the faucet information was provided during the time of template, we will make sure that holes are drilled unless there are other circumstances that prevent that like very fragile stone. If countertop was cut

What is the difference between quartz and quartzite?

Quartzite is a natural stone, whereas quartz is engineered by taking natural-quartz crystals, grinding them into dust, and fusing the aggregate with resin binders under intense heat and pressure to form a solid slab. Pigments are added during the process to impart color. 

What is the hardest natural countertop stone?

Granite and quartzite are very hard, but quartzite has a very slight edge according to Mohs scale of hardness (with one being the softest and ten being the hardest). It measures around seven, whereas granite measures around 6 to 6.5.