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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. Chalcedony - Wikipedia

   en.wikipedia.org/wiki/Chalcedony

   Chalcedony. Chalcedony (/ kælˈsɛdəni / kal-SED-ə-nee, or / ˈkælsəˌdoʊni / KAL-sə-doh-nee) [2] is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. [3] These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic.

4. Bonfire of the vanities - Wikipedia

   en.wikipedia.org/wiki/Bonfire_of_the_Vanities

   A bonfire of the vanities (Italian: falò delle vanità) is a burning of objects condemned by religious authorities as occasions of sin.The phrase itself usually refers to the bonfire of 7 February 1497, when supporters of the Dominican friar Girolamo Savonarola collected and burned thousands of objects such as cosmetics, art, and books in the public square of Florence, Italy, on the occasion ...

5. Mysterious gravestone in Virginia reveals 400-year-old ...

   www.aol.com/news/mysterious-gravestone-virginia...

   Andrea Margolis. October 2, 2024 at 12:03 PM. Mysterious gravestone in Virginia reveals 400-year-old secrets: archaeologists. Archaeologists have discovered surprising new details about the oldest ...

6. Charles Allan Gilbert - Wikipedia

   en.wikipedia.org/wiki/Charles_Allan_Gilbert

   Charles Allan Gilbert. Charles Allan Gilbert (September 3, 1873 – April 20, 1929), better known as C. Allan Gilbert, was an American illustrator. He is especially remembered for a widely published drawing (a memento mori or vanitas) titled All Is Vanity. The drawing employs a double image (or visual pun) in which the scene of a woman admiring ...

7. 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 ...