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2. Quartz - Wikipedia

   en.wikipedia.org/wiki/Quartz

   Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO 4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO 2. Quartz is, therefore, classified structurally as a framework silicate mineral and ...

3. 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 ...

4. Carrara marble - Wikipedia

   en.wikipedia.org/wiki/Carrara_marble

   Carrara marble, or Luna marble (marmor lunense) to the Romans, is a type of white or blue-grey marble popular for use in sculpture and building decor. It has been quarried since Roman times in the mountains just outside the city of Carrara in the province of Massa and Carrara in the Lunigiana, the northernmost tip of modern-day Tuscany, Italy.

5. Herkimer diamond - Wikipedia

   en.wikipedia.org/wiki/Herkimer_diamond

   Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [1][2] They are not diamonds; the "diamond" in their name is due to both their clarity and well formed faces. Because the first discovery sites were in the village ...

6. The Weirdest Food Items Hitting NFL Stadiums This Year - AOL

   www.aol.com/weirdest-food-items-hitting-nfl...

   The Weirdest Food Items Hitting NFL Stadiums This Year. Tim Newcomb. September 5, 2024 at 4:01 PM. 16 Wild New Stadium Eats For Football SeasonCaitlyn Epes. When you pack 80,000 people into an NFL ...

7. What to know about Johnny Gaudreau, Blue Jackets All-Star ...

   www.aol.com/know-johnny-gaudreau-blue-jackets...

   August 30, 2024 at 11:08 AM. Columbus Blue Jackets forward Johnny Gaudreau and his brother Matthew were killed Thursday in what the team says was an "unimaginable tragedy" when both men wer e ...