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2. Cambria (company) - Wikipedia

   en.wikipedia.org/wiki/Cambria_(company)

   Number of employees. 1,934 (2020 [1]) Website. cambriausa.com. Cambria (keɪm-bri-ə) is a producer of engineered quartz surfaces in the United States. [2] It is located in Le Sueur, Minnesota, with additional facilities throughout the United States, and in Ontario, Canada. [3] Cambria is privately held and owned by the Davis family.

3. List of quarries in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_quarries_in_the...

   W.N. Flynt Granite Co., in Monson, Massachusetts, a granite quarry that opened in 1809 and operated until 1935. By 1888, the company employed over 200 workers, and produced about 30,000 tons of granite per year. Quincy Quarries Reservation, in Quincy, Massachusetts, producer of granite from 1826 to 1963, including for the Bunker Hill Monument.

4. 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 ...

5. Marble Cliff Quarry Co. - Wikipedia

   en.wikipedia.org/wiki/Marble_Cliff_Quarry_Co.

   In 1913, Marble Cliff Quarries Co. was founded and shortly consolidated quarrying activities with the merger of Casparis Stone, Scioto Stone, Kiefer Stone, and Woodruff and Pausch Stone. John W. Kaufman was named president of the company and H.J. Kaufman vice president. [2] The company grew through the expansion of stone grades from one to six ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Fused quartz - Wikipedia

   en.wikipedia.org/wiki/Fused_quartz

   Fused quartz, fused silica or quartz glass is a glass consisting of almost pure silica (silicon dioxide, SiO 2) in amorphous (non- crystalline) form. This differs from all other commercial glasses, such as soda-lime glass, lead glass, or borosilicate glass, in which other ingredients are added which change the glasses' optical and physical ...

8. Quartz - Wikipedia

   en.wikipedia.org/wiki/Quartz

   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 ...

9. LeVeque Tower - Wikipedia

   en.wikipedia.org/wiki/LeVeque_Tower

   The LeVeque Tower is a 47-story skyscraper in Downtown Columbus, Ohio. At 555 feet 5 inches (169.29 m) it was the tallest building in the city from its completion in 1927 to 1974, and remains the second-tallest today. Designed by C. Howard Crane, the 353,768-square-foot (32,866.1 m 2) Art Deco skyscraper was opened as the American Insurance ...