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In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [80]
Perfect for rocks and mineral lovers - a comprehensive guide for collectors. Listing of all the official state rocks, minerals, gemstones for the 50 states, in order by state.
Some American states have made a state mineral, rock, stone or gemstone Not every state has an official state mineral, rock, stone and/or gemstone, however. In the chart below, the year in parentheses shows when each mineral, rock, stone, or gemstone became an official state symbol or emblem.
The Black Coral has been Hawaii’s official state gemstone since 1987. While it is not technically a gemstone, it is considered a precious organic material and is used similarly to gemstones in jewelry making.
Find profiles of each of the US states that have official State Gemstone or Gems. Access state minerals, rocks, stones, and other symbols.
21 Μαρ 2024 · Hawaii does not have a designated state mineral. The state’s primary geological composition is lava, which is why it does not have a specific state mineral. However, black coral is recognized as the official state gem since 1987.
Access profiles of each of the 50 US states official State Gemstones, Gems, Mineral, Rocks, etc. Includes access to other state symbols.
