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

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

   A 2010 effort led by State Senator Gloria J. Romero, a Democrat from Los Angeles, sought to remove serpentine from its perch as the state's official stone. Organizations such as the Asbestos Disease Awareness Organization have supported the move as the olive green rock is a source of chrysotile , a form of asbestos that can cause mesothelioma ...

3. List of quarries in the United States - Wikipedia

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

   According to Marble.com, in 2016 there were 276 quarries producing natural stone in 34 states, and states producing the most granite were Texas, Massachusetts, Indiana, Wisconsin, and Georgia. [1] The term "quarry" refers also to sites producing aggregate, molding sand, or other resources besides cut stone.

4. Cottonwood Limestone - Wikipedia

   en.wikipedia.org/wiki/Cottonwood_Limestone

   Natural gas has been produced in the Cottonwood Limestone in southwestern Kansas and northwestern Oklahoma. The member made an impact on gas production in the region in the 1960s and 1970s, particularly in the discovery of additional reserves in previously established and even abandoned fields.

5. List of sandstones - Wikipedia

   en.wikipedia.org/wiki/List_of_sandstones

   This is a list of types of sandstone that have been or are used economically as natural stone for building and other commercial or artistic purposes. Trans-regional

6. Oklahoma runestones - Wikipedia

   en.wikipedia.org/wiki/Oklahoma_runestones

   The other two he calls "spurious". He writes: " By excluding the last two letters as spurious, five are on the Heavener stone itself. The only one left is a straight line. To the author’s eyes, the Poteau Stone is a copy of the Heavener stone, with the addition of three spurious runic symbols as script-inflation." [1]

7. Desert rose (crystal) - Wikipedia

   en.wikipedia.org/wiki/Desert_rose_(crystal)

   Saharan gypsum desert rose from Tunisia (length 47 cm) Baryte rose from Cleveland County, Oklahoma (size: 10.2 × 7.1 × 5.5 cm) Large desert rose formation in the Tunisian desert A desert rose is an intricate rose -like formation of crystal clusters of gypsum or baryte , which include abundant sand grains. [ 1 ]