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2. List of rock types - Wikipedia

   en.wikipedia.org/wiki/List_of_rock_types

   Phosphorite – Sedimentary rock containing large amounts of phosphate minerals – A non-detrital sedimentary rock that contains high amounts of phosphate minerals; Sandstone – Type of sedimentary rock; Shale – Fine-grained, clastic sedimentary rock; Siltstone – Sedimentary rock which has a grain size in the silt range

3. Rock (geology) - Wikipedia

   en.wikipedia.org/wiki/Rock_(geology)

   The proportion of silica in rocks and minerals is a major factor in determining their names and properties. [7] Rock outcrop along a mountain creek near Orosí, Costa Rica. Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size.

4. List of minerals - Wikipedia

   en.wikipedia.org/wiki/List_of_minerals

   Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...

5. Mineral - Wikipedia

   en.wikipedia.org/wiki/Mineral

   In rocks, some mineral species and groups are much more abundant than others; these are termed the rock-forming minerals. The major examples of these are quartz, the feldspars , the micas , the amphiboles , the pyroxenes , the olivines , and calcite; except for the last one, all of these minerals are silicates. [ 39 ]

6. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...

7. ‘We found our people.’ WA’s rock hounds comb mountains and ...

   www.aol.com/found-people-wa-rock-hounds...

   A mid-August weekend outing by the 500-plus member Puyallup Valley Gem and Mineral Club and the Washington State Mineral Council revealed veins, rock hills and hidden digging pits in the mountains ...

8. Conglomerate (geology) - Wikipedia

   en.wikipedia.org/wiki/Conglomerate_(geology)

   A conglomerate or any clastic sedimentary rock that consists of a single rock or mineral is known as either a monomict, monomictic, oligomict, or oligomictic conglomerate. If the conglomerate consists of two or more different types of rocks, minerals, or combination of both, it is known as either a polymict or polymictic conglomerate.

9. 70 interesting fun facts to keep in mind for your next trivia ...

   www.aol.com/news/70-interesting-fun-facts-keep...

   According to the New York Times, the Monterey Pop Festival in Monterey, California, was the first rock music festival. Wonder Bread was created in Indianapolis in 1921 at the Taggart Baking Company.