A food emulsifier, also called an emulgent, is a surface-active agent that acts as a border between two immiscible liquids such as oil and water, allowing them to be blended into stable emulsions. Emulsifiers also reduce stickiness, control crystallization and prevent separation.
On average, the cost for quartz countertops without installation fees included is about $75 per square foot. Although the price varies by brand and manufacturer, here are some of the average costs based on quality: 1  Low-quality quartz: $50 to $60 per square foot.  Mid-quality quartz: $60 to $70 per square foot.
Quartzite and Quartz Countertop Prices. Prices are similar for these two countertop types. The material begins at about $60 per square foot, but most exceeds $100 and can cost significantly more. In complex jobs, quartzite will cost more. That is because quartz can be poured into a mould to produce virtually any shape. Quartzite must be cut with diamond blades in a process that takes time and skill.