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2. 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.

3. Caesarstone - Wikipedia

   en.wikipedia.org/wiki/Caesarstone

   Aerial view of Caesarstone factory near Caesarea's Roman amphitheater Caesarstone's production line Caesarstone's quality control. Caesarstone Ltd. manufactures quartz surfaces in three different sites, two in Israel – Kibbutz Sdot Yam and the Bar Lev Industrial Zone near Karmiel, and in its new plant in Richmond Hill, GA, USA, since May 27, 2015 and sources products from third party ...

4. Marble - Wikipedia

   en.wikipedia.org/wiki/Marble

   Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO 3) or dolomite (CaMg (CO 3) 2) that have recrystallized under the influence of heat and pressure. [1] It has a crystalline texture, and is typically not foliated (layered), although there are exceptions. In geology, the term marble refers to metamorphosed ...

5. 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 ...

6. Ajoite - Wikipedia

   en.wikipedia.org/wiki/Ajoite

   Ajoite from Arizona, United States. Image by Henk Smeets. Ajoite is a hydrated sodium potassium copper aluminium silicate hydroxide mineral. Ajoite has the chemical formula (Na,K)Cu 7 AlSi 9 O 24 (OH) 6 ·3H 2 O, [ 6] and minor Mn, Fe and Ca are usually also present in the structure. [ 3] Ajoite is used as a minor ore of copper .

7. Archaeologists Found Chilling Graffiti in an Ancient Prison ...

   www.aol.com/lifestyle/archaeologists-found...

   An archaeologist that identified the remains of a prison in Corinth, Greece, found that an ancient inmate had some not-so-nice things to say about their captors. The prisoner left their ancient ...