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2. Quartz - Wikipedia

   en.wikipedia.org/wiki/Quartz

   Quartz is, therefore, classified structurally as a framework silicate mineral and compositionally as an oxide mineral. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. [10] Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral. The transformation ...

3. What's the Difference Between Quartz and Quartzite? - AOL

   www.aol.com/whats-difference-between-quartz...

   While quartzite is made almost entirely of mineral quartz, additional minerals can result in different colorings, making some slabs of quartzite lighter or darker or more varied in hue, which ...

4. Engineered stone - Wikipedia

   en.wikipedia.org/wiki/Engineered_stone

   The most common slab format is 3040 mm x 1440 mm for Quartz and 3050 mm x 1240 mm for Breton-based marbles, but other sizes like 3040 mm x 1650 mm are produced according to market demand. Engineered stone is non porous, [ 7 ] more flexible, and harder than many types of natural stone.

5. Quartz Vs. Granite: Which Stone Is Right For Your Countertops?

   www.aol.com/quartz-vs-granite-stone-countertops...

   Whereas quartz countertops are man-made, granite is a naturally occurring stone, quarried from the earth, then cut and polished into the countertop material so many know and love. Made of stern ...

6. Countertop - Wikipedia

   en.wikipedia.org/wiki/Countertop

   Countertops are custom made and more scratch resistant as well as less porous than natural quartz surfaces, and don't need to be sealed like other stone surfaces. Due to the presence of the resins, quartz counters are less prone to staining. Thicknesses may be 6mm, 1.2 cm (1/2 inch), 2 cm (3/4 inch), 3 cm (1¼ inch) or 4 cm (1½ inch).

7. Quartzite - Wikipedia

   en.wikipedia.org/wiki/Quartzite

   Quartzite is a very hard rock composed predominantly of an interlocking mosaic of quartz crystals. The grainy, sandpaper-like surface is glassy in appearance. Minor amounts of former cementing materials, iron oxide, silica, carbonate and clay, often migrate during recrystallization, causing streaks and lenses to form within the quartzite. [1 ...